Brian Dietzen is an American actor best known for playing Dr Jimmy Palmer, the medical examiner, on the long-running television drama NCIS. Born on 14 November 1977, he has built a successful career through his work on television, films and behind-the-scenes writing. His journey from a recurring guest performer to an established member of the NCIS cast has made him a familiar face to millions of viewers.
Beyond his television career, Brian Dietzen is a husband and father who maintains a relatively private personal life. His work also extends to screenwriting and podcast hosting, giving fans more ways to discover his contributions to the NCIS universe.
Brian Dietzen: Quick Facts and Biography
Brian Dietzen is an American actor who has worked in television and film since the early 2000s. His best-known role is Dr Jimmy Palmer in NCIS, a character he has portrayed since 2004. His long association with the series has allowed him to develop one of its most recognisable supporting characters.
| Detail | Information |
| Full name | Brian Dietzen |
| Date of birth | 14 November 1977 |
| Age in 2026 | 48 years |
| Birthplace | Barrington, Illinois, United States |
| Nationality | American |
| Profession | Actor, writer and producer |
| Height | Approximately 1.83 metres |
| Famous role | Dr Jimmy Palmer in NCIS |
| Spouse | Kelly Dietzen, formerly Kelly Scoby |
| Children | Two |
| Education | University of Colorado Boulder |
| Years active | 2002 onwards |
These details provide a useful starting point for understanding Brian Dietzen’s life and career. His professional identity is closely connected to NCIS, but his early education, theatre experience and other screen appearances also played important roles in shaping his development as a performer.
Who Is Brian Dietzen and Why Is He Famous?
Brian Dietzen is famous for playing Dr Jimmy Palmer, the medical examiner who works alongside the special agents of the Naval Criminal Investigative Service in NCIS. Although he initially joined the programme in a supporting capacity, his character gradually became an integral part of the investigative team.
The appeal of Jimmy Palmer comes from his combination of medical expertise, compassion, humour and occasional awkwardness. He often provides an important human perspective on investigations involving victims and their families. As the series developed, audiences also saw more of his professional confidence, personal relationships and emotional resilience.
Dietzen’s long-running performance has helped make Jimmy more than a background medical examiner. The character has experienced professional challenges, personal loss and significant growth, allowing viewers to connect with him across multiple seasons. This development is one of the main reasons fans continue to search for information about the actor behind the role.
Brian Dietzen’s Age, Birthday and Early Life
Brian Dietzen was born on 14 November 1977 in Barrington, Illinois, United States. He turned 48 in November 2025 and will celebrate his 49th birthday in November 2026. Although he was born in Illinois, he grew up in Colorado, where he developed an interest in performance and acting.
His early interest in theatre provided a foundation for his later television work. Like many professional actors, Dietzen benefited from learning how to communicate through characters, interpret scripts and perform in front of live audiences before moving into screen acting.
His educational and theatrical background is particularly relevant because it helped prepare him for the demands of a long-running television production. Sustaining a character over many years requires more than memorising dialogue. It also involves understanding how a person changes, responds to difficult circumstances and develops relationships with other characters.
Brian Dietzen’s Education and Acting Training
Brian Dietzen studied acting at the University of Colorado Boulder, where he earned a Bachelor of Fine Arts degree. His university experience gave him formal training in performance and helped him develop the skills needed for a professional acting career.
During this period, he also gained practical experience through theatrical productions. He performed with the Colorado Shakespeare Festival for two years and participated in contemporary theatre, including productions such as Equus and Same Time, Next Year. These experiences exposed him to different acting styles and the discipline required for live performance.
Theatre can be a valuable foundation for television actors because it encourages close attention to dialogue, character motivation, timing and physical expression. Dietzen’s training helped him build those skills before pursuing opportunities in Los Angeles.
His background also helps explain why he has been able to maintain a consistent performance in a series that relies on familiar characters while introducing new emotional and professional challenges.
Brian Dietzen’s Acting Career Before NCIS
Before becoming widely recognised as Jimmy Palmer, Brian Dietzen worked in television and film. One of his early television credits was My Guide to Becoming a Rock Star, a series that helped introduce him to professional screen acting.
In 2003, he appeared in the musical comedy film From Justin to Kelly, starring Kelly Clarkson and Justin Guarini. Although the film differs considerably from the crime drama that later made him famous, it forms part of his early screen career.
Dietzen’s experience in different types of productions allowed him to explore acting beyond a single genre. Moving between comedy, musical entertainment, theatre and procedural television requires different approaches to timing and character development.
These early roles were stepping stones rather than the defining achievement of his career. His eventual casting in NCIS provided the consistent platform that enabled him to develop a character over many years and establish a lasting connection with television audiences.
Brian Dietzen’s Role as Jimmy Palmer on NCIS
Brian Dietzen began appearing as Jimmy Palmer in NCIS in 2004. Initially, Jimmy worked as an assistant to the experienced medical examiner Dr Donald “Ducky” Mallard, played by David McCallum. His role was comparatively small, but the character’s humour and enthusiasm gradually helped him stand out.
As the programme progressed, Jimmy became a more prominent member of the team. Dietzen was promoted to series regular at the beginning of the show’s tenth season in 2012, reflecting the character’s growing importance within the story.
How Jimmy Palmer Developed Over the Years
Jimmy’s development is one of the defining features of Dietzen’s work on NCIS. He began as a junior professional who frequently relied on Ducky’s guidance. Over time, he became more confident in his medical judgement and better equipped to handle emotionally demanding cases.
His relationship with Ducky was especially important. Their professional partnership gave Jimmy a mentor who could teach him not only the technical aspects of forensic medicine but also the empathy and respect needed when dealing with the dead.
Following David McCallum’s death in 2023, the series faced the challenge of addressing the loss of an actor whose character had been central to its identity. Jimmy’s continuing story provided an opportunity to explore grief, remembrance and the responsibilities of carrying forward a mentor’s legacy.
Dietzen’s performance has helped maintain the character’s warmth while allowing him to mature. His work demonstrates how a supporting role can become a central part of a long-running ensemble drama.
Brian Dietzen’s Movies and TV Shows
Although NCIS is his most famous project, Brian Dietzen has appeared in other screen productions throughout his career. His film and television credits demonstrate that he developed experience outside the procedural drama before becoming a familiar face to international audiences.
The scale and visibility of these projects vary, but together they illustrate the range of work he has undertaken. His continued involvement with NCIS has naturally received the most attention because the series has provided a long-term opportunity to develop a character in detail.
For readers researching his filmography, it is useful to distinguish between his main television role and his additional screen credits. Not every project has the same level of availability or prominence, and release details can vary by region.
Brian Dietzen’s Wife, Kelly Dietzen and Family Life
Brian Dietzen is married to Kelly Dietzen, who is also known by her former name, Kelly Scoby. The couple married in 2004 and have two children. Dietzen has shared aspects of family life publicly, but he generally keeps his children’s personal details away from the spotlight.
His family life is separate from the fictional relationships audiences see on NCIS. Jimmy Palmer’s experiences are written for television, whereas Dietzen’s marriage and role as a father belong to his private life. Keeping that distinction clear is important when reading celebrity biographies.
The actor’s public profile describes him as a husband and father, and official NCIS publicity has identified his wife and two children. However, detailed information about the children, including their private lives, is not necessary to understand his career and should not be treated as confirmed simply because it appears on unofficial websites.
Dietzen’s ability to maintain a long television career while protecting his family’s privacy is one aspect of his life that interests fans. It also explains why reliable sources provide fewer details about his home life than about his professional achievements.
Brian Dietzen’s Net Worth and Income
Brian Dietzen’s exact net worth has not been confirmed through a reliable public financial disclosure. Celebrity websites sometimes publish estimated figures, but those numbers should be treated cautiously unless they are supported by credible documentation.
His long-running work on NCIS is an important part of his professional career. As a series regular, he has worked on a substantial number of episodes, while his writing and other entertainment projects provide additional professional experience.
Actors’ earnings can depend on several factors, including contract terms, episode commitments, seniority, residual payments and work outside a principal television role. These details are generally private, so it would be misleading to calculate a precise fortune from his screen credits alone.
A more reliable assessment is that Dietzen has established a sustained career in network television. His continued association with a globally recognised programme represents a significant professional achievement, even when exact salary and wealth figures are unavailable.
Readers should distinguish between confirmed career information and online net-worth estimates. Without independently verified financial records, a specific monetary figure cannot be presented as fact.
Brian Dietzen as a Writer and Creative Contributor
Brian Dietzen has expanded his professional work beyond acting by contributing to the writing of NCIS episodes. This creative involvement has allowed him to help shape stories within the programme he has performed in for many years.
Writing for an established series requires an understanding of its characters, tone and continuity. Dietzen’s experience playing Jimmy Palmer gives him a close perspective on the character’s voice and relationships, while collaboration with the production team helps ensure that stories fit the wider programme.
His writing work is particularly relevant to fans interested in how television is made. Actors who contribute to scripts can bring detailed knowledge of character behaviour, emotional history and the relationships that make an ensemble series effective.
This development also shows that Dietzen’s career is not limited to delivering performances on camera. His experience as an actor and writer gives him more than one way to contribute to the NCIS universe.
Brian Dietzen and NCIS: Partners & Probies
In 2026, Brian Dietzen added podcast hosting to his work connected with NCIS. He co-hosts the official CBS podcast NCIS: Partners & Probies with fellow cast member Diona Reasonover, who plays forensic scientist Kasie Hines.
The podcast offers fans conversations with people connected to the NCIS franchise, including performers, creative staff and other contributors. Rather than focusing solely on episode-by-episode recaps, it explores the people and experiences behind the television universe.
The programme launched on 3 March 2026. Its interviews provide an additional way for viewers to discover how the series is produced and how its cast members reflect on their work. The format also gives fans an opportunity to hear stories that may not appear in the drama itself.
For Dietzen, podcast hosting builds on the relationships he has developed throughout his time on the series. It also demonstrates how a long-running television role can create opportunities in interviews, fan engagement and other forms of entertainment.
Readers interested in current episodes can check the official NCIS channels or the podcast’s listing on major podcast platforms for the latest release information.
Brian Dietzen’s Height, Personality and Public Image
Brian Dietzen is listed at approximately 1.83 metres tall, or six feet. His public image is closely associated with his role as Jimmy Palmer, although his interviews and social media profiles also show his interests outside the fictional world of NCIS.
As a performer, Dietzen is often associated with Jimmy’s warmth, dry humour and thoughtful approach to difficult situations. These qualities are part of the character, rather than a complete description of the actor’s real personality. Public interviews can offer insight into Dietzen, but they cannot provide a full account of his private life.
He maintains a public presence through social media, where he can share professional updates and interact with fans. His official profiles are useful places to look for announcements about projects, appearances and podcast episodes.
For readers who want accurate information, the best approach is to use verified profiles and official production sources rather than relying on anonymous accounts or unsupported claims.
Is Brian Dietzen Still on NCIS in 2026?
Brian Dietzen remains closely associated with NCIS as Dr Jimmy Palmer, the character he has played since 2004. He also continues to take part in projects connected with the franchise, including the official NCIS: Partners & Probies podcast launched in 2026.
His long tenure has made him one of the recognisable members of the programme’s ensemble. However, the details of upcoming episodes, character developments and future contracts can change. Viewers seeking confirmation of a specific appearance should consult current official episode guides and network announcements.
The distinction between an actor’s continuing association with a series and confirmation of a particular future episode matters. An ongoing role in the franchise does not automatically confirm every rumour about a character’s storyline.
For the most dependable updates, readers should check CBS or Paramount’s official NCIS pages and Dietzen’s verified social media accounts.
Conclusion
Brian Dietzen has built a lasting television career through his portrayal of Dr Jimmy Palmer on NCIS. Born on 14 November 1977, he combined formal acting training and theatre experience with early film and television work before joining the series in 2004.
His journey from a recurring character to a series regular reflects the growing importance of Jimmy Palmer within the NCIS team. Alongside acting, Dietzen has developed writing experience and, in 2026, became a co-host of NCIS: Partners & Probies. He is also married to Kelly Dietzen and has two children.
For anyone researching Brian Dietzen, the key points are his long-running television role, his growth as a creative contributor and his continued connection with the NCIS community. These achievements offer a clearer picture of his career than unsupported claims about his private life or exact net worth.
Frequently Asked Questions
How old is Brian Dietzen in 2026?
Brian Dietzen is 48 years old as of 22 October 2026, having been born on 14 November 1977.
Who is Brian Dietzen’s wife?
Brian Dietzen is married to Kelly Dietzen, formerly known as Kelly Scoby, and they married in 2004.
Does Brian Dietzen have children?
Yes, Brian Dietzen and his wife have two children, whose personal details they generally keep private.
What character does Brian Dietzen play on NCIS?
He plays Dr Jimmy Palmer, a medical examiner who works with the NCIS investigative team.
When did Brian Dietzen join NCIS?
Brian Dietzen first appeared as Jimmy Palmer in 2004 and became a series regular in the tenth season in 2012.
How tall is Brian Dietzen?
Brian Dietzen is listed at approximately 1.83 metres tall, equivalent to six feet.
What is Brian Dietzen’s net worth?
His exact net worth has not been reliably confirmed publicly, so online estimates should not be treated as verified financial facts.
Does Brian Dietzen host a podcast?
Yes, he co-hosts the official CBS podcast NCIS: Partners & Probies with Diona Reasonover, which launched in March 2026.
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