Sam Gilman was an American film and television actor. He was perhaps best known for playing Harvey Johnson in the 1961 film One-Eyed Jacks.

One-Eyed Jacks is a 1961 American Western film directed by and starring Marlon Brando, his only directorial credit. Brando portrays the lead character Rio, and Karl Malden plays his partner, "Dad" Longworth. The supporting cast features Pina Pellicer, Katy Jurado, Ben Johnson and Slim Pickens. In 2018, the film was selected for preservation in the United States National Film Registry by the Library of Congress.