
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. Description above from the Wikipedia article Mark Sheppard, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Known For

2005
Supernatural
2005 · tv

2003
NCIS
2003 · tv

2000
CSI: Crime Scene Investigation
2000 · tv

2005
Doctor Who
2005 · tv

2001
24
2001 · tv

1993
The X-Files
1993 · tv

1998
Charmed
1998 · tv

2002
Monk
2002 · tv

2002
Without a Trace
2002 · tv

1995
Star Trek: Voyager
1995 · tv

2005
Medium
2005 · tv

2009
White Collar
2009 · tv

1997
The Practice
1997 · tv

2007
Burn Notice
2007 · tv

2004
Battlestar Galactica
2004 · tv

2003
Las Vegas
2003 · tv

2016
MacGyver
2016 · tv

2007
Chuck
2007 · tv

1995
Sliders
1995 · tv

2009
Warehouse 13
2009 · tv

1998
V.I.P.
1998 · tv

2019
Doom Patrol
2019 · tv

2008
Leverage
2008 · tv

1991
Silk Stalkings
1991 · tv

2006
Shark
2006 · tv

2008
In Plain Sight
2008 · tv

1998
Martial Law
1998 · tv

2009
Dollhouse
2009 · tv

2002
Firefly
2002 · tv

2002
Fastlane
2002 · tv