Calificación
Reparto

Richard Harrison
Steve Norton

Alida Chelli
Ulla Helger

Luis Dávila
Gustav

Diana Lorys
Huguette

Franco De Rosa
Capitano Darvi

Rosalba Neri
Margot

Audrey McDonald
Mrs. Van der Hoven

Roberto Spiombi
Dupuis

Alberto Plebani
Van der Hoven

José Marco
Larry Brooks

Enrico Canestrini
Edward Dwight

Ángel Menéndez
Yacht Captain

Goffredo Unger
Kurt

Ferruccio Viotti
Lester Barrow

Attilio Dottesio
Il maggiore Hernandez

Giovanni Brusadori
(uncredited)