Charles Laughton as Sire Alain de Maletroit

Boris Karloff as Voltan

Sally Forrest as Blanche de Maletroit

Richard Wyler as Denis de Beaulieu

William Cottrell as Corbeau

Alan Napier as Count Grassin

Morgan Farley as Renville

Paul Cavanagh as Edmond de Maletroit

Michael Pate as Talon

Marion Gray as

Mary Bayless as

George Bruggeman as

Forrest Burns as

George Calliga as

Monique Chantal as

Jack Chefe as

Harry Cording as

Herbert Evans as

Franklyn Farnum as

Charles Horvath as

Forbes Murray as

Barry Norton as

William H. O'Brien as

Frank O'Connor as

Eddie Parker as

Joe Phillips as

Tao Porchon as

Scott Seaton as

Ellinor Vanderveer as

Patrick Whyte as