Inspector Dyke
William Luke-Patson
Beatrice Jones aka Sonia Smeganoff
Lady Daniels
John Hawley
Capt. Gerald Worthing
Governor Sir Anthony Daniels
Civil Surgeon
Giovanni Martini
R. Xavier
Dr. Maurice Lenoir
Edward J. Breeze
Pundit Garnath Chundra
Maharajah of Zungore
Collins
Vendor (uncredited)
Anderson
Burgess
Cuthbert Neal
Platform Conductor