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