William Mark McCullough is an American actor, producer, writer, and director. He was born and raised in Savannah, Georgia. He earned a political science and theater degree from Mercer University followed by a law degree from American University in Washington, D.C. Prior to his career in entertainment, McCullough had worked in politics and law on Capitol Hill. A serious car accident while on a trip to Nicaragua prompted him to change his career path.
Known For
Credits
Cast Credits
Manhunt (2024)
Guest starring as Boston Corbett
(2 episodes)
- Episode 1x06: Useless (Apr 12, 2024) [Co-Star]
- Episode 1x05: A Man of Destiny (Apr 5, 2024) [Co-Star]
Panhandle (2022)
Guest starring as Pyramus Lovell
- Episode 1x08: Cammie Get Your Gun (Oct 24, 2022) [Co-Star]
Quantum Leap (2022)
Guest starring as Josiah McDonough
- Episode 1x05: Salvation or Bust (Oct 17, 2022)
Sweet Magnolias (2020)
Guest starring as Russ Matney
(3 episodes)
- Episode 3x04: Be Bold (Jul 20, 2023)
- Episode 1x09: Where You Find Me (May 19, 2020)
- Episode 1x07: Hold My Hand (May 19, 2020)
The Outsider (2020)
Guest starring as Hooded Figure
- Episode 1x05: Tear-Drinker (Feb 2, 2020) [Co-Star]
L.A.'s Finest (2019)
Guest starring as Kobi Brunson
(3 episodes)
- Episode 1x12: Armageddon (Jun 17, 2019)
- Episode 1x05: Farewell... (May 20, 2019)
- Episode 1x04: Déjà Vu (May 20, 2019)
The Gifted (2017)
Guest starring as Michael
(2 episodes)
- Episode 2x05: afterMath (Oct 30, 2018) [Co-Star]
- Episode 2x04: outMatched (Oct 16, 2018) [Co-Star]
Mercy Street (2016)
Guest starring as Larkin
(4 episodes)
- Episode 2x06: House of Bondage (Mar 5, 2017) [Co-Star]
- Episode 2x05: Unknown Soldier (Feb 19, 2017) [Co-Star]
- Episode 2x04: Southern Mercy (Feb 12, 2017) [Co-Star]
- Episode 2x02: The House Guest (Jan 29, 2017) [Co-Star]
The Walking Dead (2010)
Guest starring as Moto
- Episode 11x11: Rogue Element (Feb 27, 2022) [Co-Star]