Answer: Thomas Haden Church
Thomas Haden Church did not play Billy Clanton in the movie Tombstone. In fact, Billy Clanton was portrayed by actor Thomas Haden Church's real-life friend, Billy Bob Thornton. Thornton's role in the film was small, but it helped launch his career in Hollywood. Tombstone is known for its impressive ensemble cast, which includes Kurt Russell, Val Kilmer, Sam Elliott, and Bill Paxton, among others. The film tells the story of the legendary gunfight at the O.K. Corral in Tombstone, Arizona, and has become a classic of the Western genre.