• 
  William H. Wright

  Prof. Morris
• 
  John Carradine

  Thorndyke 'Thorny' P. Dunning
• 
  Frank Marlowe

  Film Crewman
• 
  Roscoe Ates

  Pappy
• 
  Martha O'Driscoll

  Jane Colwell
• 
  Bert Stevens

  Cameraman
• 
  Chester Clute

  Prof. Shaw
• 
  Will Wright

  Prof. Morris

• 
  W. Donn Hayes

  montaj
• 
  George Hamilton

  make-up department
• 
  Walter Greene (II)

  music department
• 
  Karl Hajos

  music department
• 
  Kim Gannon

  Soundtrack
• 
  Walter Kent (I)

  Soundtrack