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

Lugosi Béla

Inspector Delzante

Charles Quatermaine

Dr. Philip Mason