Le Serpent

William Sabatier as Mercadier Henry Fonda as Alan Davies Farley Granger as Computer Programming Director Philippe Noiret as Lucien Berthon Guy Tréjan as Deval André Falcon as French Diplomat Eva Maria Meineke as Mrs von Strelitz Robert Party as Debecourt Dirk Bogarde as Philip Boyle Marie Dubois as Suzanne Herbert Fux as Gardener Nathalie Nerval as Tatiana Vlassov Jean Desailly as Narrator (voice) (uncredited) Virna Lisi as Mrs. Annabel Lee Robert Alda as Polygraph interrogator Michel Bouquet as Tavel Paola Pitagora as Jeannine Santelli Luigi Diberti as Lefèvre Yul Brynner as Col. Alexi Vlassov Martin Held as Lepke Elga Andersen as Kate Cross François Maistre as inspecteur Joss

Jean-Pierre Eychenne Makeup Artist Ennio Morricone Original Music Composer Gilles Perrault Screenplay Jacques Saulnier Production Design Nadine Muse Assistant Editor Claude Renoir Director of Photography Pierre Gillette Editor Henri Verneuil Director, Screenplay, Producer Vincent Rossell Still Photographer