Background and career
Brian Dietzen (born November 14, 1977) is an American television actor who has played the supporting role of Dr. Jimmy Palmer on NCIS since 2004. In 2012, he was promoted to a series regular at the beginning of the show's tenth season.
Dietzen moved to Colorado when he was young. He first started acting in elementary school plays. Later, he studied theater at the University of Colorado at Boulder's Bachelor of Fine Arts program.
Dietzen has appeared in productions of Equus and Waiting for Godot and joined The Colorado Shakespeare Festival for two years. He was cast in The WB series My Guide to Becoming a Rockstar. The part was a series regular as the drummer of the group. He later teamed up with John Riggi for a two-man show with Steve Rudnick called The Oldest Man in Show Biz.
He performed in the film From Justin to Kelly and has had a recurring role as Dr. Jimmy Palmer, a medical examiner's assistant, later Chief Medical Examiner on the CBS series NCIS, since the first season episode, "Split Decision". Starting from season 10, Dietzen was promoted to a regular cast member, and began appearing in the opening credits.
Dietzen married Kelly Scoby in 2004, and the couple have 2 children, a daughter, Clover, and a son, Satchel. He suffered a stroke in 2020 but recovered well from it. He also had cardiac surgery that same year.
My Guide to Becoming a Rock Star (2002): Owen Boston Public (2002): David Caplan NCIS (recurring: seasons 1–5, also starring: seasons 6–9, main: season 10–present): Dr. Jimmy Palmer (also writer 3 episodes) NCIS: New Orleans (2016): Jimmy Palmer Perception (2013): Mark Leighton NCIS: Hawai'i (2022–2023): Jimmy Palmer
Sources
Net-worth figure: Celebrity Net Worth (October 2026), in USD. Biography and career facts: the person's Wikipedia article and linked reporting. Snapshot date for all StarWorth figures: 28 October 2026.
