(in credits order)
- Giuliano Gemma(as Montgomery Wood)
- Ida Galli(as Evelyn Stewart)
- Pierre Cressoy(as Peter Cross)
- Giuseppe Addobbati(as John Mac Douglas)
- Tullio Altamura(as Tor Altmayer)
- Massimo Righi(as Max Dean)
- Nazzareno Zamperla(as Nicholas St.John)
- Benito Stefanelli(as Benny Reeves)
- Nello Pazzafini(as Peter Surtess)
Rest of cast listed alphabetically
- Ignazio Spalla(as Pedro Sanchez)
- Sal Borgese(uncredited)
- Riccardo Pizzuti(uncredited)
