See how medical science SOLVES Europe's most baffling crime
A playwright descended from the Borgia family becomes a murder suspect.
Director: Robert Florey·Starring: Donald Woods, Margaret Lindsay, C. Aubrey Smith, Henry O'Neill
Donald Woods
Juan Cesare
Margaret Lindsay
Florence Ballau
C. Aubrey Smith
Gerard Lytton
Henry O'Neill
Victor Ballau
Robert Barrat
Inspector Von Brinkner
Florence Fair
Teresa
Frank Reicher
Von Stein
Charles Judels
Salvatore
Rafaela Ottiano
Lili Salvatore
Paul Porcasi
Antonio
Eily Malyon
Fredericka
Egon Brecher
Karl
Herman Bing
Baker
Henry Kolker
Auctioneer
Barlowe Borland
Eric (uncredited)
Glen Cavender
Detective (uncredited)
Wheaton Chambers
Servant (uncredited)
Carlos De Valdez
Conductor (uncredited)
Charles Fallon
Apothecary (uncredited)
Betty Farrington
Frieda (uncredited)
DiziTop
