• 
  Leo McCarey

  regizor

• 
  Bert Kalmar

  scenarist

• 
  Groucho Marx

  Rufus T. Firefly
• 
  Harpo Marx

  Pinky
• 
  Chico Marx

  Chicolini
• 
  Zeppo Marx

  Lt. Bob Roland
• 
  Margaret Dumont

  D-na Gloria Teasdale
• 
  Raquel Torres

  Vera Marcal

• 
  Eric Mayne

  Third Judge
• 
  Edward LeSaint

  Secretary of Labor
• 
  Mario Dominici

  Preot
• 
  Dale Van Sickel

  A Palace Guard
• 
  Maude Turner Gordon

  Reception Guest
• 
  Edward Arnold

  Politician
• 
  Leonid Kinskey

  Sylvanian Agitator

• 
  Sidney Bracey

  Mrs. Teasdale's Butler
• 
  Edgar Kennedy

  Lemonade Vendor
• 
  Dennis O'Keefe

  Bridegroom at Firefly's Reception
• 
  Carrie Daumery

  Reception Guest
• 
  Edwin Maxwell

  Freedonia's Secretary of War
• 
  Edmund Mortimer

  Preot
• 
  Wade Boteler

  Officer at Battle Headquarters
• 
  Louis Calhern

  Ambassador Trentino of Sylvania
• 
  William Worthington

  First Minister of Finance
• 
  Edmund Breese

  Zander
• 
  Charles Middleton

  Prosecutor
• 
  Raquel Torres

  Vera Marcal
• 
  The Marx Brothers

  (as The Four Marx Brothers)