
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

Supernatural
2005 · tv

NCIS
2003 · tv

CSI: Crime Scene Investigation
2000 · tv

Doctor Who
2005 · tv

24
2001 · tv

The X-Files
1993 · tv

Monk
2002 · tv

Charmed
1998 · tv

Without a Trace
2002 · tv

Star Trek: Voyager
1995 · tv

Medium
2005 · tv

White Collar
2009 · tv

The Practice
1997 · tv

Battlestar Galactica
2004 · tv

Chuck
2007 · tv

MacGyver
2016 · tv

Las Vegas
2003 · tv

Burn Notice
2007 · tv

Sliders
1995 · tv

Warehouse 13
2009 · tv

V.I.P.
1998 · tv

Leverage
2008 · tv

Silk Stalkings
1991 · tv

Doom Patrol
2019 · tv

Firefly
2002 · tv

Shark
2006 · tv

In Plain Sight
2008 · tv

Dollhouse
2009 · tv

Martial Law
1998 · tv

Secret Level
2024 · tv