William Mark McCullough

William Mark McCullough was born and raised in Savannah, Georgia as one of ten siblings. He earned a political science and theater degree from Mercer University followed by a law degree from American University. After suffering a serious car accident while on a trip to Nicaragua, Mark changed his career path to acting.


His most notable film roles include the gun and drug smuggling  co-pilot to Tom Cruise’s character in the Doug Liman thriller, American Made (2017); the violent enforcer for Nicolas Cage’s character in the crime thriller, Arsenal (2017); and the redneck co-worker to Channing Tatum’s character in the Steven Soderbergh comedy, Logan Lucky (2017).


Mark had recurring roles on the PBS series, Mercy Street (2017), playing a violent confederate spy; and on the WGN America series, Underground (2016), playing an abolitionist. He guest starred on the British television series, Living The Dream (2017), playing an intense vampire. He also appeared in ABC’s Secrets and Lies (2015) as well as Bounce TV’s Sinners and Saints (2017).


Mark is an avid motorcyclist spending his free time on his Harley exploring back roads throughout the U.S. He is also a passionate world traveler; a cigar and bourbon connoisseur and a lover of chess.

See Mark's full resume at

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