Mark Sheppard
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.
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Acting
TV
Supernatural
as Crowley
2005
TV
The X-Files
as Bob the Caretaker / Cecil L'Ively
1993
TV
Doctor Who
as Canton Delaware
2005
TV
Charmed
as Arnon
1998
TV
NCIS
as Young Mr. Pain (uncredited)
2003
TV
Firefly
as Badger
2002
Movie
In the Name of the Father
as Paddy Armstrong
1993
TV
24
as Ivan Erwich
2001
TV
Battlestar Galactica
as Romo Lampkin
2004
TV
White Collar
as Curtis Hagen
2009
TV
Doom Patrol
as Willoughby Kipling
2019
TV
CSI: Crime Scene Investigation
as Rod Darling
2000
TV
CSI: Crime Scene Investigation
as Dimitri Sadesky
2000
TV
Monk
as Chris Downey
2002
TV
Chuck
as Ring Director
2007
TV
Star Trek: Voyager
as Leucon
1995
TV
MacGyver
as Fake Dr. Zito
2016
TV
Warehouse 13
as Benedict Valda
2009
TV
Burn Notice
as Tom Prescott
2007
TV
Medium
as Charles Walker
2005
TV
Secret Level
as Astropath / Ultramarines Orbital Command (voice)
2024
TV
Dollhouse
as Tanaka
2009
TV
Sliders
as Jack
1995
TV
Leverage
as Jim Sterling
2008
