
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.

as The Ringmaster

as Senior Investigator Gary

as Self

as Ackley

as Young Captain Nemo

as Dr. Charles LeBlanc

as Malcolm

as Leitch

as Peter

as Mitchell Parks

as Chomsky

as Yuri

as Ian Fields

as M. J.

as Fang

as Christopher 'C.J.' Yates

as California

as Nigel Bowles

as Paddy Armstrong