Casts
Dirk Bogarde
as Sir Mark Loddon / Frank Welney / Number Fifteen
Olivia de Havilland
as Lady Margaret Anne Loddon
Paul Massie
as Jeffrey Buckenham
Robert Morley
as Sir Wilfred
Wilfrid Hyde-White
as Hubert Foxley
Anthony Dawson
as Gerald Loddon
Richard Wattis
as The Judge
Martin Miller
as Dr. Schrott
Millicent Martin
as Maisie
Toke Townley
as Associate
