출연진
Conrad Nagel
Richard Crosby
Holmes Herbert
Sir Roscoe Crosby
Cyril Chadwick
Brandon Trent
Lal Chand Mehra
Chotee
Leila Hyams
Helen 'Nellie' O'Neill
벨라 루고시
Inspector Delzante
Helene Millard
Mary Eastwood
Frank Leigh
Professor Feringeea
Clarence Geldart
Commissioner Grimshaw
Margaret Wycherly
Madame Rosalie La Grange
Mary Forbes
Lady Alice Crosby
John Davidson
Edward 'Ned' Wales