A California commercial pilot sees a telecast in London of an interview with Sir Mark Lodden at his home. The Canadian is convinced that the baronet is a fraud, and he is actually a look-alike actor named Frank Welney.
as Sir Mark Loddon / Frank Welney / Number Fifteen
as Lady Margaret Anne Loddon
as Jeffrey Buckenham
as Sir Wilfred
as Hubert Foxley
as Gerald Loddon
as The Judge
as Himself
as Dr. Schrott
as Maisie
as Associate
as Editor
as The Guide
as Admiral Loddon
as Michael Loddon
as The Butler
as First Photographer
as Second Photographer
as Maddox
as Car Salesman
as Miss Sykes
as Mrs. Squire
as Fitch
as Barmaid
as Man at Bar
as Girl in Street
as Barrister (uncredited)
as Newspaper Vendor (uncredited)
as Barrister (uncredited)