Rossana Podestà as Giorgia

Philippe Leroy as Albert

Gastone Moschin as Adolf

Gabriele Tinti as Aldo

Maurice Poli as Alfred

Giampiero Albertini as August

Manuel Zarzo as Alfonso

Dario De Grassi as Anthony

Enrico Maria Salerno as Il Generale Presidente

Antonio Molino Rojo as Comandante del sottomarino

Luis Marín as

Simón Arriaga as

Jacques Herlin as Militare a Cuenca

Ignazio Spalla as Ufficiale di marina

Ennio Balbo as Police Chief

José Torres as Ufficiale rivoluzionario

Renato Terra as

Riccardo Montalbano as

R. de Fonte Carrera as

Ignazio Leone as

Mario Lanfranchi as

Lars Bloch as The Tall (uncredited)

Alberto Bonucci as Radio Ham (uncredited)

Sisto Brunetti as Russian Sailor (uncredited)

Nat Bush as Radio Host / Soldier (uncredited)

Giovanni Di Benedetto as (uncredited)

Renzo Palmer as (uncredited)

Alfred Thomas as Coast Guard officer (uncredited)

Walter Williams as LBI Agent (uncredited)