John Barrymore

Svengali

Marian Marsh

Trilby O'Farrell

Donald Crisp

The Laird

Bramwell Fletcher

Billee

Carmel Myers

Madame Honori

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

J. Grubb Alexander

Screenplay

Barney McGill

Director of Photography

Anton Grot

Art Direction

David Mendoza

Original Music Composer

William Holmes

Editor

Johnny Wallis

Makeup Artist

Gordon Hollingshead

Assistant Director

Earl Luick

Costume Design

George du Maurier

Novel