Columbia Pictures Corporation presents a Stanley Kramer production ; screenplay by Stanley Roberts ; additional dialogue by Michael Blankfort ; directed by Edward Dmytryk
Columbia Pictures presents ; screen play by Robert Russell & Frank Ross and Richard Flournoy & Lewis R. Foster ; story by Robert Russell & Frank Ross ; produced and directed by George Stevens
Columbia Pictures ; producer, Harry Joe Brown ; adaptation by James O'Hanlon ; story by Philip MacDonald ; screenplay by John Howard Lawson, Zoltan Korda ; directed by Zoltan Korda