Twentieth Century-Fox presents ; screen play by Jo Eisinger ; produced by Twentieth Century-Fox Productions Limited ; produced by Samuel G. Engel ; directed by Jules Dassin
Janus Films, General Film Distributors, Ltd., Pascal Film Productions presents Metro-Goldwyn-Mayer ; producer, Gabriel Pascal ; screenplay and dialogue writer, George Bernard Shaw ; directors, Anthony Asquith and Leslie Howard
[Warner Bros. Pictures ; in association with Tobis Filmkunst] ; Thomas J. Brandon presents ; produced by S. Nebenzahl ; screenplay by Léo Lania, Ladislaus Vajda and Béla Balázs ; directed by G. W. Pabst
a Compton Production ; Michael Klinger and Tony Tenser present ; original screenplay by Roman Polanski and Gérard Brach ; produced by Gene Gutowski ; directed by Roman Polanski