Kadro (20)
Edmund LoweInspector Dyke
Ralph ForbesWilliam Luke-Patson
Shirley GreyBeatrice Jones aka Sonia Smeganoff
Hedda HopperLady Daniels
Onslow StevensJohn Hawley
Jameson ThomasCapt. Gerald Worthing
Ferdinand GottschalkGovernor Sir Anthony Daniels
Tom MooreCivil Surgeon
John WrayGiovanni Martini
John DavidsonR. Xavier
Georges RenaventDr. Maurice LenoirHerbert CorthellEdward J. Breeze
Brandon HurstPundit Garnath ChundraWalter ArmitageMaharajah of Zungore
Harry AllenCollins
John GeorgeVendor (uncredited)
Douglas GerrardAnderson
Huntley GordonBurgess
Garry OwenCuthbert Neal
Harry SemelsPlatform Conductor