Twentieth Century Fox Film Corporation ; Darryl F. Zanuck presents ; by Ben Ames Williams ; screenplay by Jo Swerling ; produced by William A. Bacher ; directed by John M. Stahl
a Mercury production by Orson Welles ; original screen play, Herman J. Mankiewicz, Orson Welles ; direction-production, Orson Welles ; RKO Radio Pictures
an RKO Radio Picture ; a Mercury production by Orson Welles ; original screen play, Herman J. Mankiewicz, Orson Welles ; direction/production, Orson Welles ; photography, Gregg Toland
[presented by] Warner Bros. Pictures ; a Warner Bros.-First National picture ; screen play by Ayn Rand from her novel ; produced by Henry Blanke ; directed by King Vidor
an RKO Radio Picture ; Turner Entertainment Co. ; a Mercury production by Orson Welles ; original screen play, Herman J. Mankiewicz, Orson Welles ; direction-production, Orson Welles
an RKO Radio Picture ; a Mercury production by Orson Welles ; distributed by RKO Radio Pictures, Inc. ; original screen play, Herman J. Mankiewicz, Orson Welles ; Orson Welles, direction-production
Metro-Goldwyn-Mayer ; produced by Loew's Incorporated ; screen play by George Wells and Sy Gomberg ; story by Sy Gomberg ; songs by Harry Warren and Mack Gordon ; director of photography, Robert Planck ; produced by Joe Pasternak ; directed by Charles Walters
a Mercury production by Orson Welles ; RKO Radio Pictures Inc. ; original screen play, Herman J. Mankiewicz, Orson Welles ; Orson Welles, direction-production