Mark Sheppard is an English actor and musician widely recognized for playing the demon/King of Hell, Crowley, on the hit series Supernatural for eight seasons. His extensive career in fantasy, sci-fi, and crime dramas has made him a familiar face to audiences worldwide.

Sheppard’s other significant roles include Romo Lampkin, an eccentric and ruthless lawyer in the reboot of Battlestar Galactica, Badger, a crime boss in Joss Whedon’s beloved series Firefly, and Willoughby Kipling, a chaos magician, in the DC Universe series Doom Patrol.

He has also had guest or recurring appearances in many other popular shows, such as 24, The X-Files, Star Trek: Voyager, Warehouse 13, and Burn Notice.