Acting • AGE 60
John David "JD" Cullum (born March 1, 1966) is an American actor who made his film debut in the CBS Afternoon Playhouse Special Revenge of the Nerd in 1983, playing a jock.


ted
Lloyd
2024

The Turner Exhibit
Anthony Turner
2019

The Orville
Calivon Zoo Administrator
2017

Aquarius
H.R. Haldeman
2015

The Lone Ranger
Wendell
2013

The Newsroom
Frank Guidry
2012

Jason's Big Problem
Dr. Baum
2011

NCIS: Los Angeles
Mark Collins
2009

Lie to Me
Dr. Dembeck
2009

The Mentalist
Gordon Bradovich
2008

Leatherheads
Leonard
2008

Wizards of Waverly Place
Alucard van Heusen
2007

Mad Men
George Casey
2007

Zodiac
Director
2007

Good Night, and Good Luck.
Stage Manager
2005

Bones
Glenn Durant
2005

Weeds
Lawson
2005

The Closer
Stuart
2005

Grey's Anatomy
Lloyd
2005

Medium
Optometrist
2005

24
Bruce Margolis
2001

Shafted
Laurence St. Lawrence
2000

Charmed
Demon
1998

L.A. Doctors
Second Year Resident
1998

Liberty!
Nicholas Cresswell
1997

Smart Guy
Paul
1997

Campus Cops
Raskin
1996

Can't Hurry Love
Blake
1995

Sliders
Arlo Higgins
1995

Chicago Hope
Glen Rafkin
1994

Frasier
Donald
1993

Lois & Clark: The New Adventures of Superman
Randall Loomis
1993

The Prom
Sebastian
1992

Ambition
Jack
1991

Providence
1991

Reversal of Fortune
John
1990

Law & Order
Bob
1990

Glory
Henry Sturgis Russell
1989

Star Trek: The Next Generation
Toral
1987

Married... with Children
Dr. Kessler
1987

Morgan Stewart's Coming Home
Garrett
1987

Willy/Milly
Tom
1986

The Manhattan Project
Eccles (as John David Cullum)
1986