• 
  Alan Hale

  Gallagher
• 
  Victor McLaglen

  J.B. 'Crusher' McKay, Chief Engineer
• 
  Frank Mills

  Crew Member
• 
  Anthony Warde

  Crew Member
• 
  Allan Lane

  Bilson
• 
  Wendy Barrie

  Nurse Ann Grayson
• 
  Selmer Jackson

  San Francisco Port Doctor
• 
  Douglas Walton

  Engineering Officer Bates

• 
  John Bleifer

  Anton Kovac
• 
  John Wray

  Metcalfe
• 
  Halliwell Hobbes

  Ship Captain Samuel Mathews
• 
  Barry Fitzgerald

  Britches Webley
• 
  Jack Shea

  Navigator
• 
  Chester Morris

  Dr. Anthony 'Tony' Craig
• 
  Grace Hayle

  Fat Passenger

• 
  Donald Douglas

  Ship's Officer
• 
  Ted Billings

  Stoker
• 
  Charles Trowbridge

  San Francisco Doctor