Robert Crain
Captain Müller
Esther
Colonel Statter
Kruse
Donkeyman
Dr. Ambach
Branner
Milkereit
Baldwin
Admiral (as Oscar Beregi)
Nissen
Kurz
Busch
Wilke
Steward
Schultz
Lt. Brandt
Koeniger
Radio Officer (uncredited)
Merchant Marine (uncredited)
Merchant Marine (uncredited)
Merchant Marine (uncredited)
Crew Member (uncredited)
Merchant Marine (uncredited)
Crew Member (uncredited)
Merchant Marine (uncredited)
Cornelson, Ingo Navigator (uncredited)
Crew Member (uncredited)
Crew Member (uncredited)
Merchant Marine (uncredited)
Merchant Marine (uncredited)
Merchant Marine (uncredited)
Merchant Marine (uncredited)
Capt. Hatsuma (uncredited)
Lutz (uncredited)