screen story and screenplay by Franklin Coen and Frank Davis ; produced by Jules Bricken ; directed by John Frankenheimer ; a United Artists release ; [Les Productions Artistes associés]
Nord-Ouest et Pathé présentent ; une coproduction Nord-Ouest Films, Pathé, France 2 Cinéma, Appaloosa Distribution, Une Hirondelle Productions ; un film de Christian Carion ; scénario et dialogues, Christian Carion, Laure Irrmann, Andrew Bampfield ; produit par Christophe Rossignon, Philip Boëffard
written by Paul Shapiro and Jeffrey Cohen ; based on a teleplay by Bob Carney ; from a script by Ellen Schecter ; directed by Paul Shapiro ; producer, Janice Platt ; produced by Atlantis Films Limited, in association with WQED Pittsburgh ; produced with the participation of Telefilm Canada, The Global Television Network
a Carlton Production ; Granada International ; Carlton Television ; produced by Chris Kelly ; written by Russell Lewis, Charles Wood and Stephen Churchett ; directed by David Wheatley and Malcolm Mowbray