The Mad Genius

A crippled puppeteer rescues an abused young boy and turns the boy into a great ballet dancer. Complications ensue when, as a young man, the dancer falls in love with a young woman the puppeteer is also in love with.

• 
  Michael Curtiz

• 
  John Barrymore
  Vladimar Ivan Tsarakov
• 
  Marian Marsh
  Nana Carlova
• 
  Charles Butterworth
  Karimsky
• 
  Donald Cook
  Fedor Ivanoff
• 
  Luis Alberni
  Sergei Bankieff
• 
  Carmel Myers
  Sonya Preskoya
• 
  André Luguet
  Count Robert Renaud
• 
  Frankie Darro
  Fedor as a Boy
• 
  Chester A. Bachman
  Poster Hanger (uncredited)
• 
  Charles Brinley
  Poster Hanger (uncredited)
• 
  Boris Karloff
  Fedor's Father (uncredited)
• 
  Mae Madison
  Olga Chekova (uncredited)
• 
  Walter Miller
  Opera Spectator (uncredited)
• 
  Lee Moran
  Montmartre Cabaret Director (uncredited)
• 
  Charles Williams
  Stagehand (uncredited)
• 
  Harry Wilson
  Curtain Man (uncredited)