As of May 2026, Mark Derwin is best known for NCIS and CSI: Crime Scene Investigation. Find every show and movie Mark Derwin has starred in — and where to watch them — below.
Mark Derwin

Mark Derwin

Actor Born 1960 Park Forest, Illinois, USA 12 TV Shows 8 Movies

Mark Derwin is an American television and film actor, best known for playing George Juergens on the television series "The Secret Life of the American Teenager" as well as recurring characters on several American daytime soap operas.

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📺 Mark Derwin's TV Shows

NCIS
Bradley Raines
2003
CSI: Crime Scene Investigation
James Mandelbaum
2000
Bones
Adam Howes
2005
CSI: Miami
Mr. Morgan
2002
24
Joe Stevens
2001
9-1-1
Captain Thomas
2018
9-1-1
Thomas
2018
How I Met Your Mother
Greg Fisher
2005
Bosch
Harvey Pounds
2015
Without a Trace
Ted Ward
2002
Curb Your Enthusiasm
Doctor
2000
Mad Men
Pierre Cossette
2007

🎬 Mark Derwin's Movies

Accepted
Jack Gaines
2006
Everest
Lou Kasischke
2015
Dirty Deeds
Vincent Scarno
2005
The Minus Man
Creech
1999
Groomzilla
Mickey
2018
Fatal Secrets
David
2009
The Rachels
Coach Lyons
2017
Laura Smiles
Mark
2006

Never Miss a Show Starring Mark Derwin

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