Mark Sheppard
Biography
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
TV
Supernatural
Crowley
2005
TV
NCIS
Young Mr. Pain (uncredited)
2003
TV
CSI: Crime Scene Investigation
Rod Darling
2000
TV
CSI: Crime Scene Investigation
Dimitri Sadesky
2000
TV
Doctor Who
Canton Delaware
2005
TV
Chuck
Ring Director
2007
TV
The X-Files
Bob the Caretaker / Cecil L'Ively
1993
TV
Sliders
Jack
1995
TV
24
Ivan Erwich
2001
TV
White Collar
Curtis Hagen
2009
TV
Monk
Chris Downey
2002
TV
Charmed
Arnon
1998
TV
Star Trek: Voyager
Leucon
1995
TV
Martial Law
Clay Sullivan
1998
TV
Medium
Charles Walker
2005
TV
Without a Trace
Johnny Patani
2002
TV
The Practice
Eddie Wicks
1997
TV
Battlestar Galactica
Romo Lampkin
2004
TV
Las Vegas
George Beckwahr
2003
TV
MacGyver
Fake Dr. Zito
2016
Filmography
2024TVSecret Levelas Astropath / Ultramarines Orbital Command (voice)2022TVWalker Independenceas Hagan2019TVDoom Patrolas Willoughby Kipling2016TVMacGyveras Fake Dr. Zito2013FilmDoctor Who: Farewell to Matt Smith2013FilmDoctor Who Explainedas Self2013FilmSons of Libertyas Ackley2010FilmMysterious Islandas Young Captain Nemo2010FilmXtinction: Predator Xas Dr. Charles LeBlanc2009TVWhite Collaras Curtis Hagen2009TVWarehouse 13as Benedict Valda2009TVDollhouseas Tanaka2008TVLeverageas Jim Sterling2008TVThe Middlemanas Manservant Neville2008TVIn Plain Sightas Russell2007FilmBrokenas Malcolm2007TVBionic Womanas Anthony Anthros2007TVChuckas Ring Director2007TVBurn Noticeas Tom Prescott2006TVSharkas Rupert Stone2005TVSupernaturalas Crowley2005TVDoctor Whoas Canton Delaware2005TVMediumas Charles Walker2004FilmUnstoppableas Leitch2004TVBattlestar Galacticaas Romo Lampkin2004FilmEvil Eyesas Peter2004FilmMegalodonas Mitchell Parks2003TVNCISas Young Mr. Pain (uncredited)2003TVLas Vegasas George Beckwahr2003FilmDeep Shockas Chomsky2003TVJake 2.0as Hartman2002TVWithout a Traceas Johnny Patani2002TVFireflyas Badger2002TVFastlaneas Ronan Dennehy2002TVMonkas Chris Downey2001FilmNew Alcatrazas Yuri2001TV24as Ivan Erwich2001FilmLost Voyageas Ian Fields2001TVUC: Undercover2001TVI Love 1990s2001TVThe Chronicle2001TVSpecial Unit 2as The Chameleon2001FilmLady in the Box2000TVCSI: Crime Scene Investigationas Rod Darling2000TVThe Invisible Manas Yuri Gregorov2000FilmFarewell, My Loveas M. J.1999FilmOut of the Coldas Fang1999FilmSoldier of Fortune, Incas Christopher 'C.J.' Yates1998TVCharmedas Arnon1998TVMartial Lawas Clay Sullivan1998TVV.I.P.as Nero1997TVSoldier of Fortune, Inc.as CJ Yates1997TVThe Practiceas Eddie Wicks1996FilmLover's Knotas Nigel Bowles1995TVSlidersas Jack1995TVStar Trek: Voyageras Leucon1994TVM.A.N.T.I.S.1993FilmIn the Name of the Fatheras Paddy Armstrong1993TVThe X-Filesas Bob the Caretaker / Cecil L'Ively1991TVSilk Stalkingsas Eric—FilmEver Afteras The Ringmaster—FilmNether Worldas California