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