Mark Sheppard is an English actor and musician known for playing the demon/King of Hell Crowley on Supernatural and for his recurring roles as Willoughby Kipling in Doom Patrol, 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. He has also made appearances in MacGyver, CSI, Chuck, Burn Notice, Dollhouse, NCIS, Medium, Monk, Charmed, Star Trek: Voyager, and the X-Files.