• 
  Norman Z. McLeod

  regizor

• 
  Harry Ruby

  scenarist

• 
  Groucho Marx

  Prof. Quincy Adams Wagstaff
• 
  Harpo Marx

  Pinky
• 
  Zeppo Marx

  Frank Wagstaff
• 
  Chico Marx

  Baravelli
• 
  Edward LeSaint

  Professor in Wagstaff's Study
• 
  David Landau

  Jennings

• 
  Florine McKinney

  Peggy Carrington
• 
  Vince Barnett

  Speakeasy Patron
• 
  Thelma Todd

  Connie Bailey
• 
  Reginald Barlow

  Retiring President
• 
  Edgar Dearing

  Speakeasy Bartender
• 
  Bobby Barber

  Speakeasy Patron
• 
  Nat Pendleton

  MacHardie, Darwin Player

• 
  Arthur Sheekman

  Typing Sportswriter
• 
  James Pierce

  Ed Mullen, Darwin Player
• 
  Frank Rice

  Doorman at Speakeasy