Cast
- Bourvil as Lalande
- Henry Fonda as Dimitri Koulov
- Georges Marchal as Serge
- Peter van Eyck as Petchatkin
- Mario Adorf as Callaghan
- Maria Grazia Buccella as Natalia
- Jacques Sernas as Glazov
- Louis Arbessier as Ivanov
- Jackie Blanchot as Joe
- Gabriel Gobin as O'Hara
Crew
- Christian-Jaque · Director
- Carlo Lizzani · Director
- Terence Young · Director
- Philippe Bouvard · Writer
- Jacques Caborie · Writer
- Christian-Jaque · Writer
- Ennio De Concini · Writer
- Gian Piero Reverberi · Composer
- Richard Angst · Cinematographer
- Erico Menczer · Cinematographer
- Pierre Petit · Cinematographer
- Franco Fraticelli · Editor
- Borys Lewin · Editor
- Alan Osbiston · Editor
- Axim Axerio · Production designer
- Robert Grabiti · Production designer
- Heinrich Weidemann · Production designer