Mark Sivertsen

Credits

Cast Credits

Stumptown (2019)

Guest starring as Llewelyn Slocombe

• Episode 1x07: November Surprise (Nov 20, 2019) [Co-Star]

The Brave (2017)

Guest starring as Keller

• Episode 1x03: The Greater Good (Oct 9, 2017) [Co-Star]

Midnight, Texas (2017)

Guest starring as Davy Deputy #1

• Episode 1x06: Blinded by the Light (Aug 28, 2017) [Co-Star]

Chance (2016)

Guest starring as The Medic (2 episodes)

• Episode 1x09: Camera Obscura (Dec 7, 2016) [Co-Star]
• Episode 1x08: The House of Space and Time (Nov 30, 2016) [Co-Star]

Graves (2016)

Guest starring as Secret Serviceman Charles (2 episodes)

• Episode 1x03: Nothing Can Come from Nothing (Oct 30, 2016) [Co-Star]
• Episode 1x01: Evil Good and Good Evil (Oct 16, 2016) [Co-Star]

Ballers (2015)

Guest starring as Mark Cowler

• Episode 3x03: In the Teeth (Aug 6, 2017)

The Walking Dead (2010)

Guest starring as Rufus

• Episode 10x14: Look at the Flowers (Mar 29, 2020)

Scoundrels (2010)

Guest starring as Rene

• Episode 1x01: And Jill Came Tumbling After (Jun 20, 2010) [Co-Star]

Castle (2009)

Guest starring as Jeff Powers

• Episode 7x20: Sleeper (Apr 20, 2015) [Co-Star]

In Plain Sight (2008)

Guest starring as Vincent Serato

• Episode 1x02: Hoosier Daddy (Jun 8, 2008)

Breaking Bad (2008)

Guest starring as ABQ Detective #1

• Episode 3x07: One Minute (May 2, 2010) [Co-Star]

Shark (2006)

Guest starring as Marty Babish

• Episode 1x14: Starlet Fever (Feb 8, 2007)

Criminal Minds (2005)

Guest starring as Wayne Gulino

• Episode 9x08: The Return (Nov 13, 2013) [Co-Star]

CSI: Miami (2002)

Guest starring as Jeffrey Douglas

• Episode 1x05: Ashes to Ashes (Oct 21, 2002) [Co-Star]

Monk (2002)

Guest starring as Sean

• Episode 6x04: Mr. Monk and the Bad Girlfriend (Aug 3, 2007)

Judging Amy (1999)

Guest starring as Lawyer Tom Benson

• Episode 3x04: The Right Thing to Do (Oct 16, 2001)

Sabrina: The Teenage Witch (1996)

Guest starring as Chuck

• Episode 5x19: Sabrina, the Activist (Apr 27, 2001)

The Lazarus Man (1996)

Guest starring as Mounted Soldier (as M.D. Sivertsen) (2 episodes)

• Episode 1x02: Awakening (2) (Jan 27, 1996)
• Episode 1x01: Awakening (1) (Jan 20, 1996)

Guest starring as Billy Bad-ass

• Episode 1x04: Purgatory (Feb 10, 1996)

Who's the Boss? (1984)

Guest starring as Damien

• Episode 7x03: The Famous Robinson Sisters (Oct 2, 1990)