Shelley Winters

Character: Mrs. Forrest

Mark Lester

Character: Christopher Coombs

Chloe Franks

Character: Katy Coombs

Ralph Richardson

Character: Mr. Benton

Lionel Jeffries

Character: Police Insp. Willoughby

Hugh Griffith

Character: Mr. Harrison, The Pigman

Rosalie Crutchley

Character: Miss Henley

Pat Heywood

Character: Dr. Mason

Judy Cornwell

Character: Clarine

Michael Gothard

Character: Albie

Jackie Cowper

Character: Angela Barnes

Richard Beaumont

Character: Peter Brookshire

Marianne Stone

Character: Miss Wilcox

Dorian Healy

Character: Reggie Pike (uncredited)