Warner Bros. Pictures ; a Warner Bros.-First National picture ; screen play by Maxwell Anderson and Angus MacPhail ; story by Maxwell Anderson ; associate producer, Herbert Coleman ; directed by Alfred Hitchcock
Warner Bros. Pictures presents a Warner Bros.-First National picture ; screenplay by George Tabori and William Archibald ; directed by Alfred Hitchcock
Warner Bros. Pictures Inc. present ; a Warner Bros. picture ; directed by William Dieterle ; screenplay by Norman Reilly Raine, Heinz Herald, Geza Herczeg ; story by Heinz Herald and Geza Herczeg