• 
  Michael Curtiz

  regizor

• 
  Lionel Atwill

  Dr. Jerry Xavier
• 
  Fay Wray

  Joanne 'Joan' Xavier
• 
  Selmer Jackson

  Willard Keefe, Daily World Night Editor
• 
  John Wray

  Dr. Haines, Academy of Surgical Research
• 
  Robert Warwick

  Police Commissioner Stevens
• 
  Harry Beresford

  Dr. Duke, Academy of Surgical Research
• 
  Preston Foster

  Dr. Wells (Academy of Surgical Research)

• 
  Mae Busch

  Cathouse Madame
• 
  Arthur Edmund Carewe

  Dr. Rowitz, Academy of Surgical Research
• 
  Lee Tracy

  Lee Taylor, Daily World Reporter
• 
  Leila Bennett

  Mamie
• 
  Tom Dugan

  Sheriff
• 
  Harry Holman

  Mike - Waterfront Policeman
• 
  Thomas E. Jackson

  Daily World Editor (as Thomas Jackson)

• 
  Willard Robertson

  Detective O'Halloran
• 
  George Rosener

  Otto