A Day at the Races

Doctor Hugo Hackenbush, Tony, and Stuffy try and save Judy's sanitarium by winning a big race with a finicky horse owned by Judy's boyfriend Gil. There are a few problems. Hackenbush, who was recently put in charge of the sanitarium, isn't really a doctor, he's a veterinarian.

• 
  Groucho Marx

  Dr. Hugo Z. Hackenbush
• 
  Chico Marx

  Tony
• 
  Harpo Marx

  Stuffy
• 
  Allan Jones

  Gil Stewart
• 
  Maureen O'Sullivan

  Judy Standish
• 
  Margaret Dumont

  Emily Upjohn
• 
  Sig Ruman

  Dr. Leopold X. Steinberg
• 
  Leonard Ceeley

  Whitmore
• 
  Douglass Dumbrille

  Morgan
• 
  Esther Muir

  'Flo' Marlowe