Stephan Gregorovitch, the unwilling king of a bankrupt Ruritanian country, along with his hucksterish chancellor and musically-inclined bodyguard, travel incognito to London for some fun. An invitation to a party held by Duke Hugo seems just the ticket, but the presence of jewel thieves in the vicinity soon puts paid to any ideas of a relaxing evening!
Gene Gerrard
as Stephan Gregorovitch
Molly Lamont
as Lady Moira
Gus McNaughton
as Hudson E. Greener
Spencer Trevor
as Duke Hugo
Toni Edgar-Bruce
as Duchess Amelia
Hal Gordon
as Police Constable
Frank Stanmore
as Mullins
Ian Fleming
as Lord Henry
Cyril Smith
as Courtier
