• 
  Burt Lancaster

  Michael (Mike) Davis
• 
  Claude Rains

  Arthur 'Fred' Martingale
• 
  Hayden Rorke

  Ingram
• 
  Everett Brown

  Batsuma Chief
• 
  Blackie Whiteford

  Paznic
• 
  Leslie Denison

  Sentry
• 
  Corinne Calvet

  Mademoiselle Suzanne Renaud aka Aniseneletette Duringreaud
• 
  Nestor Paiva

  Ship's Captain

• 
  John Bromfield

  Thompson (guard)
• 
  Paul Henreid

  Commandant Paul G. Vogel
• 
  Peter Lorre

  Toady
• 
  Ida Moore

  Woman
• 
  Stuart Holmes

  Board Member
• 
  Harry Cording

  Paznic
• 
  Mike Mazurki

  Pierson (guard)

• 
  Rodd Redwing

  Oscar, Waiter
• 
  Eric Wilton

  Party Extra
• 
  James Adamson

  Chelner
• 
  Kenner G. Kemp

  Nightclub Table Extra
• 
  Trevor Ward

  Switchboard operator
• 
  Harry Wilson

  Paznic
• 
  Sam Jaffe

  Dr. Francis Kittridge Hunter
• 
  Edmund Breon

  Parker, Chairman of the Board