Metro Goldwyn Mayer ; directed by Richard Fleischer ; produced by Jerry Bresler ; screenplay by Calder Willingham ; adaptation by Dale Wasserman ; a Kirk Douglas production ; a United Artists release ; Brynaprod S.A
Metro-Goldwyn-Mayer ; executive producer, Howard W. Koch ; screenplay by George Axelrod ; produced by George Axelrod and John Frankenheimer ; directed by John Frankenheimer