Hayley Mills
Susan Harper
Hywel Bennett
Martin (Georgie) Durnley
Billie Whitelaw
Joan Harper
Frank Finlay
Henry Durnley
Barry Foster
Gerry Henderson
Phyllis Calvert
Enid Durnley
Salmaan Peerzada
Shashie Kadir
Christian Roberts
Philip Harvey
Gretchen Franklin
Clarkie
Thorley Walters
Sir John Forrester
Russell Napier
Professor Fuller
Timothy Bateson
Mr. Groom
Basil Dignam
Doctor
Marianne Stone
Store Detective (uncredited)