Mark Sheppard

Mark Andreas Sheppard is a British-American actor and musician. He is often credited as "Mark A. Sheppard". Sheppard is known for his recurring roles as the demon/King of Hell Crowley on Supernatural, 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.

Supernatural

Jules Verne's Mysterious Island

Jules Verne's Mysterious Island

Firefly · S1, E1

Episode 3

Serenity's captain agrees to transport several passengers while flying under the ruling government's radar.
Firefly · S1, E4

Episode 8

While at a ball, Mal unwittingly challenges Inara's date; a merciless crime lord takes Serenity's crew hostage.
In Plain Sight · S1, E10

Episode 10

Natasha, a young accountant part of the witness protection program, has her life turned upside down when she discovers that her new boyfriend is also under protection, and may not be telling her the whole truth.
Supernatural · S5, E20

The Devil You Know

The demon Crowley promises to help Dean and Sam find the remaining Horseman rings so they can trap Lucifer.
Supernatural · S5, E21

Two Minutes to Midnight

Crowley offers to reveal Death's location in exchange for Bobby's soul; Pestilence releases a deadly virus on Sam and Dean.
Supernatural · S9, E2

Devil May Care

Sam is shocked when he learns that Dean kidnapped Crowley; Abaddon re-emerges with plans to take over hell.

Mark Sheppard

Shows

Movies

Director

Guest Appearances