
Acting
Mark Sivertsen
Mark Sivertsen (born Mark Duane Sivertsen, May 7, 1959, in Fairfield, California) is an American actor, producer, and stunt performer, 6′ 1″ (185 cm) tall. As an Air Force brat, he was raised in northern California before moving to Los Angeles at 19. He began his career as a stuntman, transitioned to modeling, and then into acting, landing his first on-screen role in 1985. Over his 40-year career he has appeared in over 340 commercials and frequently portrays law enforcement officers, agents, and soldiers. He holds dual residency in Los Angeles and Taos, New Mexico, and is married to Michelle Silva (since 2023). His most notable film credits include Bucho in The Last Stand (2013, with Arnold Schwarzenegger), State Trooper in Paul (2011, with Simon Pegg and Nick Frost), Agent Skiletti in Felon (2008), Lt. Roberts in Shot Caller (2017), Dylan Cobb in Intrusion (2021, Netflix), Kirk in Silk Road (2021, with Jason Clarke and Nick Robinson), Ray in Blood and Money (2020), Highway Patrolman in Vampires (1998), Bailiff in North Country (2005), a role in Love Ranch (2010), Phillip Smiles in Drunktown's Finest (2014, Sundance), and Vice-President Lewis Parker in Art of Deception (2019). On television he is best known for Breaking Bad (2010), The Walking Dead (2020), Yellowstone (2018, 2024), Outer Range (2022), Castle (2015), Criminal Minds (2005), Dig (2015), Drop Dead Diva (2009, 2014), NCIS (2003), CSI: Miami (2002), JAG (1995, 2004), Stumptown (2019), Graves (2016), and Ballers (2017).
Known for
Full filmography

Monk
2002
DRAMA
Breaking Bad
2008
DRAMA
The Walking Dead
2010
ACTION
CSI: Miami
2002
DRAMA
Castle
2009
DRAMA
Yellowstone
2018
WESTERN
Sabrina, the Teenage Witch
1996
COMEDY
In Plain Sight
2008
DRAMA
Ballers
2015
DRAMA
Shark
2006
DRAMA
Manhattan
2014
DRAMA
Midnight, Texas
2017
SCI-FI
Outer Range
2022
DRAMA
Stumptown
2019
DRAMA
Paul
2011
ADVENTURE
Graves
2016
DRAMA
Shot Caller
2017
CRIME
The Last Stand
2013
ACTION
Vampires
1998
ACTION
The Messengers
2015
SCI-FI
Opus
2025
HORROR
North Country
2005
DRAMA
Felon
2008
CRIME
God's Not Dead: A Light in Darkness
2018
DRAMA