- Douglas Fairbanks Jr.
- Mario Franchi / Lucien Franchi
- Ruth Warrick
- Countess Isabelle Gravini
- Akim Tamiroff
- Baron Colonna
- J. Carrol Naish
- Lorenzo
- H.B. Warner
- Dr. Enrico Paoli
- John Emery
- Tomasso
- Henry Wilcoxon
- Count Victor Franchi
- Gloria Holden
- Countess Franchi
- Walter Kingsford
- Monsieur Dupre
- 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
- Wilson Benge
- The Baron's Butler
- Henry Brandon
- Marquis de Raveneau
- Anthony Caruso
- Baron's Henchman
- James Craven
- Giovanni
- Sonia Darrin
- Opera Spectator
- Ralph Dunn
- Messenger - Arturo's Steward
- Eddie Foster
- Messenger - Alberto's Steward
- Frank Hagney
- Torture Cell Guard
- Isabel La Mal
- Operagoer
- Paul McVey
- Cousin Philip Franchi
- Milburn Morante
- Guard
- Edgar Norton
- Colonna's Barber
- Isabel Randolph
- Countess Isabelle's Mother
- Frank Richards
- Colonna's Henchman
- Loretta Russell
- Operagoer
- Count Stefenelli
- Operagoer
- Charles Stevens
- Shepherd
- William Tannen
- One of Lucien's Men
- Rick Vallin
- De Revenau's Friend at Opera
- Roland Varno
- De Revenau's Friend at Opera
- Dorothy Vernon
- Townswoman at Celebration
