Susan Harper
Hayley Mills
Martin (Georgie) Durnley
Hywel Bennett
Sir John Forrester
Thorley Walters
Professor Fuller
Russell Napier
Mr. Groom
Timothy Bateson
Doctor
Basil Dignam
Store Detective
Marianne Stone
'Taffy' Evans
Richard Davies
Joan Harper
Billie Whitelaw
Henry Durnley
Frank Finlay
Gerry Henderson
Barry Foster
Enid Durnley
Phyllis Calvert
Shashie Kadir
Salmaan Peerzada
Philip Harvey
Christian Roberts
Clarkie
Gretchen Franklin
Superintendant Dakin
Timothy West
Original Music Composer
Bernard Herrmann
Screenplay
Roy Boulting
Director
Executive Producer
John Boulting
Story
Roger Marshall
Leo Marks
Idea
Producer
Frank Granat
Director of Photography
Harry Waxman
Editor
Martin Charles
Casting
Thelma Graves
Art Direction
Albert Witherick
George W. George
Camera Operator
Gerry Anstiss
Makeup Artist
George Partleton
Sound Editor
Stanley Smith
Hairstylist
Joan Carpenter
Jeremy Scott