Philippe Leroy as Albert (le professeur)

Rossana Podestà as Giorgia

Gabriele Tinti as Aldo (l'italien)

Maurice Poli as Alfred (le français)

Gastone Moschin as Adolf (l'allemand)

Giampiero Albertini as August (le portugais)

Manuel Zarzo as Alfonso (l'espagnol)

Dario De Grassi as Anthony (l'irlandais)

Ennio Balbo as Police Chief

José Suárez as Bank Manager

Alberto Bonucci as Radio Ham

Juan Luis Galiardo as

Renzo Palmer as

Juan Cortés as

José Gallardo as

Renato Terra as

Giovanni Di Benedetto as (uncredited)