John Harrington
Helen Wood
Mildred Harrington
Inspector Russell (as Jesus Puente)
Alice Norton
Louise
Vences (as Alan Collin)
Dr. Kalleway (as Gerard Tichy)
Betsy Wester (as Veronica Llimera)
John Harrington as a Boy (as Fortunato Pascuale)
Jimmy Kane (as José Ignacio Abadaz)
Vicky
Rosy Miller (as Monserrat Riba)
Sdenka (archive footage) (uncredited)
Unknown (uncredited)
Policeman (uncredited)
Model (uncredited)
Maria (archive footage) (uncredited)
Gorca (archive footage)
Giorgio (archive footage) (uncredited)