In 1965 Mitchum starred in the films In Harm’s Way, The Money Trap, and The Tramplers. He went on to star in the movies Ambush Bay, The Invincible Six, Two-Lane Blacktop, The Last Movie, Moonrunners, Trackdown, The Ransom, Blackout, Monster, Hollywood Cop, Code Name: Zebra, Mercenary Fighters, Predators of the Magic Stone, Leathernecks, Mal d’Africa, Enemy, Gengis Khan, and Genghis Khan: The Story of a Lifetime. James Mitchum is the brother of actor Christopher Mitchum. He is also the uncle of the actor Bentley Mitchum. His role in Thunder Road was originally written for Elvis Presley.