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Mark Sheppard
Acting
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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Known For
Supernatural
2005
NCIS
2003
CSI: Crime Scene Investigation
2000
CSI: Crime Scene Investigation
2000
Doctor Who
2005
The X-Files
1993
Chuck
2007
24
2001
Sliders
1995
Charmed
1998
Monk
2002
Star Trek: Voyager
1995
White Collar
2009
Without a Trace
2002
Martial Law
1998
Medium
2005
The Practice
1997
Las Vegas
2003
Battlestar Galactica
2004
MacGyver
2016
Warehouse 13
2009
Burn Notice
2007
V.I.P.
1998
Firefly
2002
Doom Patrol
2019
Shark
2006
Leverage
2008
In Plain Sight
2008
Dollhouse
2009
Secret Level
2024