Diễn viên
Heather Thatcher
Mary Eastwood
Robert Coote
Stanby
Ralph Forbes
Major Lionel Trent
Charles Trowbridge
Dr Mason
Madge Evans
Helen "Nell" O'Neill
Lewis Stone
Inspector Marney
Janet Beecher
Lady Alicia Crosby
Holmes Herbert
Governor Sir Roscoe Crosby
May Whitty
Mrs O'Neill aka Madame Rosalie la Grange
Lal Chand Mehra
Professor Feringeea
Matthew Boulton
Grimshaw (uncredited)
Elissa Landi
Helen Trent
Thomas Beck
Dick Crosby
Henry Daniell
John Wales