A writer gets wrapped up in espionage.
| Actor | Role |
|---|---|
 Louis JourdanCharles Beaulieu | Charles Beaulieu |
 Senta BergerGertraud Sphax | Gertraud Sphax |
 Edmond O'BrienSphax (publisher) | Sphax (publisher) |
 Maurice GarrelHenri Banck | Henri Banck |
 Bernard BlierLe commandant Rhome | Le commandant Rhome |
 Fabrizio CapucciCecil Barnette | Cecil Barnette |
| GGerhard Bormann(as Gerhard Borman) | (as Gerhard Borman) |
 Peter Martin UrtelNot listed | Not listed |
 Jean RupertNot listed | Not listed |
 Giuseppe AddobbatiMoranez | Moranez |
 Gamil RatibBelloum | Belloum |