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Mark Derwin

Cast & creator

Mark Derwin

1960-10-28 (age 65) Park Forest, Illinois, USAIMDb

Best known for CSI: Crime Scene Investigation, NCIS, Bones

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.

Also known as: Mark James Derwin

Movies

15

film credits

Series

32

television credits

Career

47

1952–2025 · acting roles

Credit score

6.6

average across scored titles

Signature credits

Known for

Ordered by popularity

CSI: Crime Scene Investigation

CSI: Crime Scene Investigation

James Mandelbaum · 2000

NCIS

NCIS

Bradley Raines · 2003

Bones

Bones

Adam Howes · 2005

CSI: Miami

CSI: Miami

Mr. Morgan · 2002

24

Joe Stevens · 2001

Across film & television

Filmography (47)

Search filmography

Showing 47 of 47 credits

CSI: Crime Scene Investigation

CSI: Crime Scene Investigation

James Mandelbaum

NCIS

NCIS

Bradley Raines

Bones

Bones

Adam Howes

CSI: Miami

CSI: Miami

Mr. Morgan

24

Joe Stevens

How I Met Your Mother

How I Met Your Mother

Greg Fisher

9-1-1

9-1-1

Captain Thomas

9-1-1

9-1-1

Thomas

Diagnosis: Murder

Diagnosis: Murder

Sean Farlow

Curb Your Enthusiasm

Curb Your Enthusiasm

Doctor

Mad Men

Mad Men

Pierre Cossette

Without a Trace

Without a Trace

Ted Ward

Bosch

Bosch

Harvey Pounds

Touched by an Angel

Touched by an Angel

Jeff

Boston Legal

Boston Legal

Attorney Michael Eaves

Party of Five

Party of Five

Dale Depeyster

Chuck

Chuck

Detective Conway

Hot in Cleveland

Hot in Cleveland

Gary

A Million Little Things

A Million Little Things

Nick

The Secret Life of the American Teenager

The Secret Life of the American Teenager

George Juergens

Silk Stalkings

Silk Stalkings

Big Sky

Big Sky

Frank Ludwig

Cybill

Cybill

Cameron

Guiding Light

Guiding Light

A.C. Mallet

Veronica's Closet

Veronica's Closet

David

Medical Investigation

Medical Investigation

Paul Kendall

Life with Bonnie

Life with Bonnie

Mark Malloy

Suits LA

Suits LA

Sapperstein

One Life to Live

One Life to Live

Everest

Everest

Lou Kasischke

Accepted

Accepted

Jack Gaines

Big Day

Big Day

Heist

Heist

Sam Gordon

Bonnie

Bill Kirkland

Dirty Deeds

Dirty Deeds

Vincent Scarno

The Minus Man

The Minus Man

Creech

Pistol Pete

Pistol Pete

Deputy Langley

Evil Obsession

Evil Obsession

Damon

Groomzilla

Groomzilla

Mickey

Laura Smiles

Laura Smiles

Mark

Fatal Secrets

Fatal Secrets

David

Knee High P.I.

Knee High P.I.

Col. Chambers

The Party

The Party

Richard Wells, the ex-bachelor

Ballad of the Nightingale

Ballad of the Nightingale

Alan Blake

Awaken

Awaken

Shane Adler

Bad Company

Bad Company

Mike

The Rachels

The Rachels

Coach Lyons