About 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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Movie Credits
Mark Sheppard has appeared in 20 movies.
TV Credits
Mark Sheppard has appeared in 42 shows.
Production Credits
Directing
Credited for Director in 1 show - Mysterious Island.
Credited for Third Assistant Director in 1 show - Kin.