Robert Rendel

as British Captain

as (uncredited)

as Sir James Stevens

as Minor Role

as Sir Herbert

as British Chief of Air Staff

as Admiral

as Colonel

as Lord Claverley

as Seymour

as Dr. Fletcher

as Sir Treves Hallam

as Don Miguel

as Prince Avarov

as Commissioner

as Charles Hamilton

as Alfred Blake

as Sir Henry Markham

as Sir Peter Marmon

as Sir Herbert Farquharson

as Sherlock Holmes

as Prince George

as Gerald Hastings

as Harry Carson