"London, the early 1950s. Born deaf, Mandy is mute for most of her childhood. As she reaches school age her family itself is in danger of breaking up. Christine, Mandy's mother, has heard of a residential school for the oral education of the deaf."
Phyllis Calvert
as Christine Garland
Jack Hawkins
as Dick Searle
Terence Morgan
as Harry Garland
Godfrey Tearle
as Mr Garland senior
Mandy Miller
as Mandy Garland
Marjorie Fielding
as Mrs Garland senior
Nancy Price
as Jane Ellis
Edward Chapman
as Ackland
Patricia Plunkett
as Miss Crocker
Eleanor Summerfield
as Lily Tabor
Colin Gordon
as Woollard (Junior)
Dorothy Alison
as Miss Stockton
Julian Amyes
as Jimmy Tabor
Gabrielle Brune
as The Secretary
John Cazabon
as Davey
Gwen Bacon
as Mrs Paul
W.E. Holloway
as Woollard (senior)
Phyllis Morris
as Mrs Tucker
Gabrielle Blunt
as Miss Larner
Jean Shepherd
as Mrs Jackson
Jane Asher
as Nina
Marlene Maddox
as Leonie
Michael Mallinson
as Pupil
Doreen Taylor
Doreen Gallagher
Michael Davis
Colin Wilkinson
Joan Peters
Michael Kelly
as Lorry Driver (uncredited)
Ernie Rice
as Taxi Driver (uncredited)
Ewan Roberts
as Audiologist (uncredited)
William Simons
as Boy with Ball (uncredited)
Philip Stainton
as Chairman of the Board of Governors (uncredited)
Seth Holt
Editor
William Alwyn
Music
Leslie Norman
Producer
Michael Balcon
Hilda Lewis
Author
Nigel Balchin
Writer
Alexander Mackendrick
Director
Jack Whittingham
Screenplay
Douglas Slocombe
Director of Photography