John Barrymore Svengali Marian Marsh Trilby O'Farrell Donald Crisp The Laird Bramwell Fletcher Billee Carmel Myers Madame Honorine Luis Alberni Gecko Lumsden Hare Monsieur Taffy Paul Porcasi Bonelli Ferike Boros Marta (uncredited) Adrienne D'Ambricourt Mme. Vinard (uncredited) Yola d'Avril Maid (uncredited) Rose Dione Trilby's Mother (uncredited) Archie Mayo Director Barney McGill Director Gordon Hollingshead Director