Cast & creator
Mark Sheppard
Best known for Supernatural, CSI: Crime Scene Investigation, CSI: Crime Scene Investigation
Mark Andreas Sheppard (born 30 May 1964) is a British actor and musician. He is often credited as Mark A. Sheppard. Sheppard is known for playing the demon/King of Hell Crowley on Supernatural and for his recurring roles as lawyer Romo Lampkin on the Battlestar Galactica reboot, Interpol investigator James Sterling on Leverage, and small-time crime lord Badger on Joss Whedon's Firefly. Description above from the Wikipedia article Mark Sheppard, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Also known as: Mark A. Sheppard, Mark Andreas Sheppard
23
film credits
43
television credits
64
1991–2026 · acting roles
6.8
average across scored titles
Signature credits
Known for
Across film & television
Filmography (66)
Showing 66 of 66 credits
Supernatural
Crowley
2005
CSI: Crime Scene Investigation
Rod Darling
2000CSI: Crime Scene Investigation
Dimitri Sadesky
2000
NCIS
Young Mr. Pain (uncredited)
2003
24
Ivan Erwich
2001
The X-Files
Bob the Caretaker / Cecil L'Ively
1993
Charmed
Arnon
1998
Doctor Who
Canton Delaware
2005
Monk
Chris Downey
2002
Star Trek: Voyager
Leucon
1995
Without a Trace
Johnny Patani
2002
Medium
Charles Walker
2005
The Practice
Eddie Wicks
1997
Las Vegas
George Beckwahr
2003
White Collar
Curtis Hagen
2009
Chuck
Ring Director
2007
MacGyver
Fake Dr. Zito
2016
Battlestar Galactica
Romo Lampkin
2004
Warehouse 13
Benedict Valda
2009
V.I.P.
Nero
1998
Burn Notice
Tom Prescott
2007
Sliders
Jack
1995
Silk Stalkings
Eric
1991
Doom Patrol
Willoughby Kipling
2019
Leverage
Jim Sterling
2008
In Plain Sight
Russell
2008
Martial Law
Clay Sullivan
1998
Shark
Rupert Stone
2006
Firefly
Badger
2002
Dollhouse
Tanaka
2009
Secret Level
Astropath / Ultramarines Orbital Command (voice)
2024
Fastlane
Ronan Dennehy
2002
The Invisible Man
Yuri Gregorov
2000
Special Unit 2
The Chameleon
2001
The Middleman
Manservant Neville
2008
Jake 2.0
Hartman
2003
UC: Undercover
2001
Bionic Woman
Anthony Anthros
2007
Walker Independence
Hagan
2022
Soldier of Fortune, Inc.
CJ Yates
1997
The Chronicle
2001
In the Name of the Father
Paddy Armstrong
1993
M.A.N.T.I.S.
1994
Kin
Third Assistant Director
2018
Unstoppable
Leitch
2004
Mysterious Island
Young Captain Nemo
2012Mysterious Island
Director
2012
Lost Voyage
Ian Fields
2001I Love 1990s
2001
Xtinction: Predator X
Dr. Charles LeBlanc
2010
Exes
Senior Investigator Gary
2025
Broken
Malcolm
2007
Out of the Cold
Fang
1999
Ever After
The Ringmaster
2026
Deep Shock
Chomsky
2003
Lover's Knot
Nigel Bowles
1996
Sons of Liberty
Ackley
2013
New Alcatraz
Yuri
2001
Soldier of Fortune, Inc
Christopher 'C.J.' Yates
1999Doctor Who: Farewell to Matt Smith
2013
Lady in the Box
2001
Megalodon
Mitchell Parks
2004
Doctor Who Explained
Self
2013
Farewell, My Love
M. J.
2000
Evil Eyes
Peter
2004
Nether World
California
1998