John Prosky
ActingTotal Credits
103
Acting
103
First Credit
1986
Latest Credit
2025
House
Dr. Bergin
2004
The Mentalist
Dr. Evan Quick
2008
The West Wing
Aide
1999
Oliver Beene
David
2003
Stargate SG-1
Malchus
1997
Grey's Anatomy
Mr. Singleton
2005
Charmed
Congressman
1998
Fringe
Captive Observer
2008
American Horror Story
Production Legal Team
2011
Boston Legal
Attorney Walt Devlin
2004
Star Trek: Deep Space Nine
Brathaw
1993
The Closer
Mr. Banks
2005
ER
Mr. Brooks
1994
Veronica Mars
Ethan Lavoie
2004
24
Dr. George Ferragamo
2001
Star Trek: Voyager
Otrin
1995
Straight Outta Compton
Young Doctor
2015
Murder One
Mark Smith, Esq.
1995
Frasier
Preston
1993
The Practice
EPA Atty. Mitchell Kravits
1997
My So-Called Life
Ted
1994
My Name Is Earl
Mr. Stevens
2005
CSI: Crime Scene Investigation
ADA Vanderpool
2000
True Blood
Duke Smith · David Finch
2008
NCIS
Carl Dalton
2003
Revenge
Brenda Evans / Oscar Chapman
2011
Private Practice
Jerry Murphy
2007
Marvel's Agent Carter
Walt Cooper
2015
Heroes
Principal
2006
The Fosters
Dr. Danville
2013
Medium
Tom Van Dyke
2005
CSI: NY
Museum Administrator
2004
Beverly Hills, 90210
Duke Weatherill
1990
JAG
Stewart Grossman · Jon Barrow
1995
Perry Mason
Walter Crippen
2020
Scandal
Senator Gibson
2012
Touched by an Angel
Greg Hatcher
1994
Beyond Belief: Fact or Fiction
Earl Potter (segment "Scribbles")
1997
Nip/Tuck
Glen Easley
2003
Crossing Jordan
Keene's Lawyer
2001
Chicago Hope
Bart Simon
1994
Brothers and Sisters
Ron Robinson
2006
A.I. Artificial Intelligence
Mr. Williamson, the Bellman
2001
NYPD Blue
Robert Horowitz
1993
Profiler
Salinger
1996
FlashForward
Mr. Dunkirk
2009
Numb3rs
Kyle Holtzman
2005
Moesha
Professor Ward
1996
Titus
Dr. Meighan
2000
Law & Order: LA
Dr. Gouldin
2010
Suits LA
Fred
2025
Please Stand By
Hospital Administrator
2018
Eli Stone
Alan Cooke
2008
The Jamie Foxx Show
Lottery Official
1996
The Bernie Mac Show
Father
2001
Just Shoot Me!
Norman
1997
Eleventh Hour
Chase Coleman
2008
Felicity
Dr. Stern
1998
Touch
Lawrence Pearl
2012
The Gates
Lloyd Foster
2010