Lionel Barrymore

Mathias

Caroline Frances Cooke

Catharine

Gustav von Seyffertitz

Jerome Frantz

Lorimer Johnston

Hans

Boris Karloff

The Mesmerist

Eddie Phillips

Christian

Lola Todd

Annette

E. Alyn Warren

Baruch Koweski / Jethro Koweski

Laura La Varnie

Fortune Teller

John George

Mesmerist Announcer (uncredited)

James Young