On screen
Cast
20 credited performers
Stephen Forsyth
John Harrington
Dagmar Lassander
Helen Wood
Laura Betti
Mildred Harrington
Jesús Puente
Inspector Russell (as Jesus Puente)
Femi Benussi
Alice Norton
Artwork unavailable
Antonia Mas
Louise
Luciano Pigozzi
Vences (as Alan Collin)
Gérard Tichy
Dr. Kalleway (as Gerard Tichy)
Verónica Llimerá
Betsy Wester (as Veronica Llimera)
Artwork unavailable
Pasquale Fortunato
John Harrington as a Boy (as Fortunato Pascuale)
Ignasi Abadal
Jimmy Kane (as José Ignacio Abadaz)
Artwork unavailable
Silvia Lienas
Vicky
Artwork unavailable
Montserrat Riba Vidal
Rosy Miller (as Monserrat Riba)
Susy Andersen
Sdenka (archive footage) (uncredited)
Artwork unavailable
Guido Barlocci
Unknown (uncredited)
Artwork unavailable
Bruno Boschetti
Policeman (uncredited)
Artwork unavailable
Elina De Witt
Model (uncredited)
Rika Dialyna
Maria (archive footage) (uncredited)
Boris Karloff
Gorca (archive footage)
Glauco Onorato
Giorgio (archive footage) (uncredited)