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.
Dirk Bogarde
Sir Mark Loddon / Frank Welney / Number Fifteen
Olivia de Havilland
Lady Margaret Anne Loddon
Paul Massie
Jeffrey Buckenham
Robert Morley
Sir Wilfred
Wilfrid Hyde-White
Hubert Foxley
Anthony Dawson
Gerald Loddon
Richard Wattis
The Judge
Richard Dimbleby
Himself
