• 
  Marlon Brando

  Robert Crain
• 
  Yul Brynner

  Captain Mueller
• 
  Rollin Moriyama

  Japanese Tug Pilot
• 
  Robert Kino

  Capt. Hatsuma
• 
  Wilhelm von Homburg

  Crew Member
• 
  Robert J. Wilke

  Cmdr. Kelling
• 
  George Takei

  Junior Officer
• 
  Roy N. Sickner

  Crew Member

• 
  William Redfield

  Baldwin
• 
  Martin Kosleck

  Wilke
• 
  Wally Cox

  Dr. Ambach
• 
  Trevor Howard

  Colonel Statter
• 
  Hans Christian Blech

  Donkeyman
• 
  Roy Jenson

  Merchant Marine
• 
  Norbert Schiller

  Steward

• 
  Eric Braeden

  Radio Officer
• 
  Martin Benrath

  Kruse
• 
  Buck Kartalian

  Merchant Marine
• 
  Keith McConnell

  Englishman
• 
  Gary Crosby

  Ens. Sloan
• 
  Janet Margolin

  Esther
• 
  Oscar Beregi Jr.

  Admiral (as Oscar Beregi)
• 
  Martin Brandt

  Nissen
• 
  Charles De Vries

  Kurz
• 
  Carl Esmond

  Busch
• 
  Max Haufler

  Branner
• 
  Rainer Penkert

  Milkereit