The Heart of a Siren

Barbara La Marr as Isabella Echevaria Conway Tearle as Gerald Rexford Clifton Webb as Maxim Harry T. Morey as John Strong Florence Auer as Lisette Ida Darling as Mrs. Rexford - Duchess of Chatham William Ricciardi as Isabella's Uncle Emilio Tammany Young as Pickpocket (uncredited)

Fanny Hatton Screenplay Frederic Hatton Screenplay