William Mark McCullough

Wiliam Mark McCullough has built a career playing hardened, intense characters who often resort to violence to achieve their ends.

William’s breakout role was in the Doug Liman thriller, American Made, playing Tom Cruise’s gun and drug smuggling co-pilot. He had a strong supporting role in the Marvel film, Captain America: Brave New World, playing Commander Dennis Dunphy, a special forces soldier who is a longtime friend of the titular character played by Anthony Mackie. In the film he faces off against The Leader, played by Tim Blake Nelson. As one of the few actors to play in two different Marvel universes, he portrays a special forces soldier with mutant abilities in the X-Men themed series, The Gifted (Fox).

He played Nicolas Cage’s mafia enforcer in the action thriller, Arsenal, opposite Johnathon Schaech and Adrian Grenier. In the Bad Boys spin-off, LA’s Finest (Fox), Mark plays a drug cartel enforcer who hunts down and tortures Gabrielle Union’s character. In the series he also works opposite Jessica Alba and Laz Alonso. He appears opposite Jennifer Beals in the DC universe series, Swamp Thing (The CW), playing a conniving backwoods redneck. In The Walking Dead (AMC), Mark plays a brutal heroin manufacturer. In the monster horror film, The Devil Below, Mark works opposite Will Patton and he works opposite RJ Mitte in the supernatural horror film, The Unseen.

Mark wrote and directed the award-winning supernatural horror film, A Savannah Haunting, which was based on real experiences that happened to Mark’s family. The film was shot in the home where the

actual haunting occurred.