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.

KNOWN FOR

The Mentalist
2013
Grey's Anatomy
2013
Law & Order
2008
Bones
2014
NCIS: Los Angeles
2022
24
2004
Charmed
2006
Frasier
2002
Star Trek: The Next Generation
1991
Married... with Children
1995
Mad Men
2010
Chicago Hope
2000

FILMOGRAPHY

All
Movies
TV
Acting
44
Writing
1
2024
ted
as Lloyd
2022
NCIS: Los Angeles
as Mark Collins
2019
The Turner Exhibit
as Anthony Turner
2017
The Orville
as Calivon Zoo Administrator
2016
Aquarius
as H.R. Haldeman
2014
Bones
as Glenn Durant
2013
The Lone Ranger
as Wendell
2013
The Mentalist
as Gordon Bradovich
2013
Grey's Anatomy
as Lloyd
2012
The Newsroom
as Frank Guidry
2011
Jason's Big Problem
as Dr. Baum
2010
Mad Men
as George Casey
2010
The Closer
as Stuart
2009
Lie to Me
as Dr. Dembeck
2009
Wizards of Waverly Place
as Alucard van Heusen
2008
Dog 41
as All Characters
2008
Leatherheads
as Leonard
2008
Weeds
as Lawson
2008
Medium
as Optometrist
2008
Law & Order
as Bob
2007
Zodiac
as Director
2006
Charmed
as Demon
2005
Good Night, and Good Luck.
as Stage Manager
2004
24
as Bruce Margolis
2002
Frasier
as Donald
2000
Shafted
as Laurence St. Lawrence
2000
Chicago Hope
as Glen Rafkin
1999
Sliders
as Arlo Higgins
1998
L.A. Doctors
as Second Year Resident
1998
Smart Guy
as Paul
1997
Liberty!
as Nicholas Cresswell
1996
Campus Cops
as Raskin
1995
Married... with Children
as Dr. Kessler
1995
Can't Hurry Love
as Blake
1994
Lois & Clark: The New Adventures of Superman
as Randall Loomis
1992
The Prom
as Sebastian
1991
Ambition
as Jack
1991
Providence
1991
Star Trek: The Next Generation
as Toral
1990
Reversal of Fortune
as John
1989
Glory
as Henry Sturgis Russell
1987
Morgan Stewart's Coming Home
as Garrett
1986
Willy/Milly
as Tom
1986
The Manhattan Project
as Eccles (as John David Cullum)