Giuseppe Rosati Director, Screenwriter Stephen Boyd Cpt. Chadwood Willer Actor Gabriella Giorgelli Mexican Woman Actor Howard Ross Lt. Younger Actor Gianni Garko Korano Actor Enzo Fiermonte Doctor Actor Furio Meniconi Boarding House Owner Actor Daniele Vargas Actor Andrea Scotti Actor Alfredo Mayo Actor Teresa Gimpera Actor Helga Liné Actor Harry Baird Actor Nazzareno Natale Actor Mario Garriba Actor Enrique Llovet Screenwriter Carlo Veo Screenwriter Godofredo Pacheco Cinematographer Roberto Colangeli Film Editing Nico Fidenco Original Music Ángel Arzuaga Production Design, Set Decoration Rosalba Menichelli Costume Design