Frank D. Gilroy Director, Screenwriter Charles Bronson Graham Actor Jill Ireland Amanda Actor Douglas V. Fowley Buck Bowers Actor Stan Haze Ape Actor Damon Douglas Boy Actor Héctor Morales The Mexican Actor Bert Williams Sheriff Actor William Lanteau Reverend Cabot Actor Hoke Howell Bit Part Actor Howard Brunner Mr. Foster Actor Don "Red" Barry Red Roxy Actor M.J. Frankovich Producer William Self Producer Lucien Ballard Cinematographer Maury Winetrobe Film Editing Elmer Bernstein Original Music Robert Clatworthy Production Design George R. Nelson Set Decoration Moss Mabry Costume Design Rachelle Farberman Casting