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)