Conrad Nagel

Richard Crosby

Leila Hyams

Helen 'Nellie' O'Neill

Margaret Wycherly

Madame Rosalie La Grange

Helene Millard

Mary Eastwood

Holmes Herbert

Sir Roscoe Crosby

Mary Forbes

Lady Alice Crosby

Bela Lugosi

Inspector Delzante

Cyril Chadwick

Brandon Trent

John Davidson

Edward 'Ned' Wales

Frank Leigh

Professor Feringeea

Clarence Geldart

Commissioner Grimshaw

Lal Chand Mehra

Chotee