On screen
Cast
16 credited performers
Richard Harrison
Steve Norton
Alida Chelli
Ulla Helger
Luis Dávila
Gustav
Diana Lorys
Huguette
Artwork unavailable
Franco De Rosa
Capitano Darvi
Rosalba Neri
Margot
Artwork unavailable
Audrey McDonald
Mrs. Van der Hoven
Artwork unavailable
Roberto Spiombi
Dupuis
Alberto Plebani
Van der Hoven
José Marco
Larry Brooks
Artwork unavailable
Enrico Canestrini
Edward Dwight
Ángel Menéndez
Yacht Captain
Goffredo Unger
Kurt
Ferruccio Viotti
Lester Barrow
Attilio Dottesio
Il maggiore Hernandez
Giovanni Brusadori
(uncredited)