- Nana Bryant - Madame Dupre
- Pedro de Cordoba - Count Gravini
- Veda Ann Borg - Maria
- William Farnum - Priest
- Sarah Padden - Nurse
- Manart Kippen - Martelli
- Ruth Robinson - Angela
- Richard Alexander - Castle Guard (Uncredited)
- Wilson Benge - The Baron's Butler (Uncredited)
- Henry Brandon - Marquis de Raveneau (Uncredited)
- Anthony Caruso - Baron's Henchman (Uncredited)
- James Craven - Giovanni (Uncredited)
- Sonia Darrin - Opera Spectator (Uncredited)
- Ralph Dunn - Messenger, Arturo's Steward (Uncredited)
- Eddie Foster - Messenger, Alberto's Steward (Uncredited)
- Frank Hagney - Torture Cell Guard (Uncredited)
- Isabel La Mal - Opera Spectator (Uncredited)
- Paul McVey - Cousin Philip Franchi (Uncredited)
- Milburn Morante - Guard (Uncredited)
- Edgar Norton - Colonna's Barber (Uncredited)
- Isabel Randolph - Countess Isabelle's Mother (Uncredited)
- Frank Richards - Colonna's Henchman (Uncredited)
- Count Stefenelli - Opera Spectator (Uncredited)
- Charles Stevens - Shepherd (Uncredited)
- William Tannen - One of Lucien's Men (Uncredited)
- Rick Vallin - De Revenau's Friend at Opera (Uncredited)
- Roland Varno - De Revenau's Friend at Opera (Uncredited)
- Dorothy Vernon - Townswoman at Celebration (Uncredited)
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