

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.
Acting
Bogarde's triple-threat performance is masterclass in controlled ambiguity.
Direction
Asquith's camera treats the courtroom like a pressure cooker.
Writing
The libel suit structure keeps you guessing who's conning whom.

Director
Anthony Asquith
Trivia, insights & behind the scenes
Bogarde reportedly found the triple role exhausting and briefly considered turning it down—then realized no other actor could pull off the specific brand of wounded aristocrat he invented.
The film adapts a West End play that ran for two years, and Asquith deliberately kept the theatrical claustrophobia intact—notice how rarely we leave enclosed spaces.