Lionel Barrymore

Andre Dakkar

Jacqueline Gadsden

Sonia Dakkar

Lloyd Hughes

Nikolai Roget

Montagu Love

Falon

Montagu Love

Mikhail

Snitz Edwards

Anton

Gibson Gowland

Dmitry

Dolores Brinkman

Teresa

Karl Dane

(uncredited)

Pauline Starke

(uncredited)

Carl Roup

Underwater Creature (uncredited)

Angelo Rossitto

Underwater Creature

Lucien Hubbard

Director

Benjamin Christensen

Director

Maurice Tourneur

Director

Lucien Hubbard

Writer

Jules Verne

Book

J. Ernest Williamson

Producer

Martin Broones

Music

William Axt

Music

Arthur Lange

Music

Paul Lamkoff

Music

Carl Pierson

Editor

Cedric Gibbons

Art Direction

J. Ernest Williamson

Special Effects

Percy Hilburn

Director of Photography