Brian Dietzen

Acting • 22 Credits

Biography

Brian Dietzen (born November 14, 1977) is an American actor best known for his role as Jimmy Palmer on NCIS since 2004. In 2012, he was promoted to season regular at the beginning of the show's tenth season.

✍️ Written & Story Credits (2)

Screenplay, Novel & Story
NCIS

NCIS

2003 ⭐ 3.8
Writer
Congratulations

Congratulations

2012 ⭐ 1.4
Screenplay

🎭 Acting Roles (18)

Ranked by Prestige & Popularity
NCIS

NCIS

2003 ⭐ 3.8
as Jimmy Palmer
NCIS: New Orleans

NCIS: New Orleans

2014 ⭐ 3.6
as Jimmy Palmer
NCIS: Hawaiʻi

NCIS: Hawaiʻi

2021 ⭐ 3.9
as Jimmy Palmer
Perception

Perception

2012 ⭐ 3.6
as Mark Leighton
One-Minute Time Machine

One-Minute Time Machine

2014 ⭐ 3.6
as James
From Justin to Kelly

From Justin to Kelly

2003 ⭐ 1.6
as Eddie
Boston Public

Boston Public

2000 ⭐ 3.8
as David Caplan
One on One

One on One

2001 ⭐ 4.0
as Bellhop
Nowhere to Hide

Nowhere to Hide

2009 ⭐ 3.4
as Sheldon Wilkes
NCIS: New York

NCIS: New York

2026 ⭐ 3.6
as Dr. Jimmy Palmer
Past Life

Past Life

2010 ⭐ 1.8
as Cole
Purgatory House

Purgatory House

2003 ⭐ 3.5
as Ghost
Congratulations

Congratulations

2012 ⭐ 1.4
as Jim Riley
Steve

Steve

2017 ⭐ 3.0
as Self
My Guide to Becoming a Rock Star

My Guide to Becoming a Rock Star

2002 ⭐ 4.0
as Owen
Karaoke Man

Karaoke Man

2016
as Louis
Disconnected

Disconnected

2026
The King of Time

The King of Time

2026