Générique complet
The Heart of a Siren
Barbara La Marr
Isabella Echevaria
Conway Tearle
Gerald Rexford
Harry T. Morey
John Strong
PD
Paul Doucet
Mario Gonzalez
Florence Auer
Lisette
Ida Darling
Mrs. Rexford - Duchess of Chatham
William Ricciardi
Isabella's Uncle Emilio
Clifton Webb
Maxim
Florence Billings
Lady Louise Calvert
MR
Michael Rayle
Pierre
Tammany Young
Pickpocket (uncredited)
