Norma Talmadge
Panthea Romoff
Earle Foxe
Gerald Mordaunt
L. Rogers Lytton
Baron de Duisitor
George Fawcett
Prefect of Police
Murdock MacQuarrie
Police Agent
Erich von Stroheim
Lieutenant
Norbert Wicki
Ivan Romoff
William L. Abingdon
Sir Henry Mordaunt
Winifred Harris
Gerard's Mother
Eileen Percy
Gerard's Sister (as Elaine Persey)
Stafford Windsor
Percival
Richard Rosson
Pablo Centeno
Frank Currier
Dr. Von Reichstadt
Herbert Barry
Gerald's Cousin
Jack Meredith
Serge
Henry Thorpe
Music Master
William Lloyd
Rev. Mr. Whitshire
James A. Furey
Minor Role (uncredited)
Charles Frankman
Minor Role (uncredited)