John Barrymore

Character: Svengali

Marian Marsh

Character: Trilby O'Farrell

Donald Crisp

Character: The Laird

Bramwell Fletcher

Character: Billee

Carmel Myers

Character: Madame Honori

Luis Alberni

Character: Gecko

Lumsden Hare

Character: Monsieur Taffy

Paul Porcasi

Character: Bonelli

Ferike Boros

Character: Marta (uncredited)

Adrienne D'Ambricourt

Character: Mme. Vinard (uncredited)

Yola d'Avril

Character: Maid (uncredited)

Rose Dione

Character: Trilby's Mother (uncredited)