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