Yul Brynner

Col. Alexi Vlassov

Henry Fonda

Alan Davies

Dirk Bogarde

Philip Boyle

Virna Lisi

Mrs. Annabel Lee

Robert Alda

Polygraph interrogator

Farley Granger

Computer Programming Director

Philippe Noiret

Lucien Berthon

Michel Bouquet

Tavel

Martin Held

Lepke