character - Professor Bowen

character - Professor Omega

character - Professor Darcy

character - Dr. Rowitz

character - Suave Man

character - Dr. Louis Dumont

character - Ivan Borolsky, aka Jim

character - Capt. Spicer

character - Dr. Fried (credits) / Dr. Beaudine (in film)

character - George Harris

character - Lieutenant Destin

character - Harry

character - Major Anthony Kinsella

character - Captain Herault

character - Count Orloff

character - Maurice Séquineau

character - Salvatti

character - Gigberto

character - Prince Yussuf

character - Ledoux

character - Poulet

character - Kenneth Bellwood

character - Henri La Flamme

character - Ramlika

character - Israelite Slave (uncredited)

character - Svengali

character - Paul Savelli

character - Duke d'Alba

character - 'Con' Arnold (as Arthur Carewe)

character - Col. Fentress

character - Grant Lewis

character - Stinson

character - Bolton (as Arthur Carewe)

character - Christiansen

character - Prince Hagane (as Arthur Carewe)

character - Don Jose Alvarado (as Arthur Carewe)

character - Count Alix Voronassof

character - Claude Estabrook

character - Middy Knox