Luciano Pigozzi
Vences (as Alan Collin)

Gérard Tichy
Dr. Kalleway (as Gerard Tichy)

Verónica Llimerá
Betsy Wester (as Veronica Llimera)
Pasquale Fortunato
John Harrington as a Boy (as Fortunato Pascuale)

Ignasi Abadal
Jimmy Kane (as José Ignacio Abadaz)
Silvia Lienas
Vicky
Montserrat Riba Vidal
Rosy Miller (as Monserrat Riba)

Susy Andersen
Sdenka (archive footage) (uncredited)
Guido Barlocci
Unknown (uncredited)
Bruno Boschetti
Policeman (uncredited)