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.

Sons Of Liberty
Xtinction
Evil Eyes

Supernatural

Firefly · S1, E1

Serenity

The crew of the Firefly-class vessel `Serenity' must struggle to survive any way they can.
Firefly · S1, E4

Shindig

On the search for a smuggling job, Captain Reynolds is forced to attend a party where he is challenged to a duel.
The X-Files · S1, E12

Fire

An old Oxford girlfriend of Mulder's asks for his help in an international case concerning the inexplicable execution of several British dignitaries, and they encounter an assassin who can produce fire from his bare hands.
Star Trek: Voyager · S6, E19

Child's Play

An implacable Seven of Nine seeks to safeguard the life of a child, even as his parents prepare to send him on a suicide mission.
White Collar · S5, E1

At What Price

Peter faces charges for the murder of Senator Pratt, while Elizabeth begs Neal to help clear Peter at any cost.
White Collar · S5, E3

One Last Stakeout

Peter settles into his new position; Neal must pull off a museum heist by convincing a criminal to steal a painting at the same time.

Mark Sheppard

Movies

Shows

Guest Appearances