Trailer
Cast
Henry O'Neill
Victor Ballau
Eily Malyon
Fredericka
Henry Kolker
Auctioneer
Paul Panzer
Detective (uncredited)
Rafaela Ottiano
Lili Salvatore
Charles Lane
Man in Front Row (archive footage)
Ferdinand Schumann-Heink
Policeman Otto (uncredited)
Ruthelma Stevens
Fraulein von Elsner (uncredited)
Robert Barrat
Inspector Von Brinkner
Charles Judels
Salvatore
Glen Cavender
Detective (uncredited)
Betty Farrington
Frieda (uncredited)
Frank Reicher
Von Stein
Paul Porcasi
Antonio
Barlowe Borland
Eric (uncredited)
Olaf Hytten
Scotland Yard Radio Operator (uncredited)
Russ Powell
First Taxi Driver (uncredited)
Frederick Sullivan
Romberg (uncredited)
Frank Thornton
(uncredited)
Florence Fair
Teresa
Egon Brecher
Karl
Herman Bing
Baker
David Newell
Rodrigo (uncredited)
Margaret Lindsay
Florence Ballau
C. Aubrey Smith
Gerard Lytton
Wheaton Chambers
Servant (uncredited)
Donald Woods
Juan Cesare
William Irving
Policeman Schultz (uncredited)
Eric Mayne
Bidder at Auction (uncredited)
William V. Mong
Fishback (uncredited)