• 
  John Wayne

  Jim Smith
• 
  George Sanders

  Captain Swanson
• 
  Brian Donlevy

  Callendar
• 
  Robert Barrat

  Duncan
• 
  Wallis Clark

  McGlashan
• 
  John F. Hamilton

  Professor
• 
  Olaf Hytten

  General Gage
• 
  Wilfrid Lawson

  MacDougall

• 
  Monte Montague

  Morris
• 
  Moroni Olsen

  Calhoon
• 
  Eddie Quillan

  Anderson
• 
  Claire Trevor

  Janie MacDougall
• 
  Eddy Waller

  Jailer
• 
  Chill Wills

  M'Cammon
• 
  Ian Wolfe

  Poole