Phillipe, the son of an ambassador in London, idolizes Baines, his father's butler, a kind of hero in the eyes of the child, whose perception changes when he accidentally discovers the secret that Baines keeps and witnesses the consequences that adults' lies can cause.
Ralph Richardson
as Baines
Michèle Morgan
as Julie
Sonia Dresdel
as Mrs. Baines
Bobby Henrey
as Phillipe
Denis O'Dea
as Inspector Crowe
Jack Hawkins
as Detective Ames
Walter Fitzgerald
as Dr. Fenton
Dandy Nichols
as Mrs. Patterson
Joan Young
as Mrs. Barrow
Karl Stepanek
as First Secretary
Gerard Heinz
as Ambassador
Torin Thatcher
as Policeman