CBS Operations, Inc. ; Barney Rosenzweig Productions ; Mace Neufeld Productions ; Viacom Productions ; produced by Barney Rosenzweig ; written by Richard Shapiro ; directed by Harvey Hart
Paramount ; an Academy Pictures A.G. production ; a Sam Spiegel-Elia Kazan film ; directed by Elia Kazan ; produced by Sam Spiegel ; screenplay by Harold Pinter
a Universal picture ; Frank Lloyd Productions, Inc. ; original screen play, Peter Viertel, Joan Harrison, Dorothy Parker ; associate producer, Jack H. Skirball ; directed by Alfred Hitchcock