Credits
Cast
Crauford Kent
Inspector Angus Blake
Florence Allen
Lady Diana Blanton
Albert Prisco
Prince Darius (as Albert Priscoe)
Monte Montague
Jarvis
Grace Cunard
Mary Duveen- aka Queen of Diamonds
Herbert Prior
Lord Blanton
Camera
John Hickson
Director of Photography
Directing
Ray Taylor
Director
Editing
Alvin Todd
Editor
Production
Henry MacRae
Producer
Writing
Harold M. Atkinson
Scenario Writer, Story