Serge Bourguignon Director, Screenwriter Max von Sydow Scott Swenson Actor Yvette Mimieux Sylvia Actor Efrem Zimbalist Jr. Frank Bryant Actor Gilbert Roland Capt. Carbajal Actor Emilio Fernández Sgt. Lopez Actor Nino Castelnuovo Luis Actor Henry Silva Joaquin Actor Rodolfo Acosta Patron Actor Oscar Millard Screenwriter Aaron Rosenberg Producer Elmer Bernstein Original Music Joseph MacDonald Cinematographer Robert L. Simpson Film Editing Robert F. Boyle Art Director Jack Martin Smith Art Director Lucien Hafley Set Decoration Walter M. Scott Set Decoration Moss Mabry Costume Design