Hayley Mills

Ellie Thomsen

Hywel Bennett

Michael Rogers

Britt Ekland

Greta

Per Oscarsson

Santonix

George Sanders

Andrew Lippincott

Aubrey Richards

Dr. Philpott

Patience Collier

Miss Townsend

Peter Bowles

Reuben

Lois Maxwell

Cora

David Bauer

Uncle Frank

Helen Horton

Aunt Beth

Windsor Davies

Sgt. Keene

Walter Gotell

Constantine

Geoffrey Chater

Coroner

David Healy

Jason

Nicholas Courtney

Second Auctioneer (uncredited)

Leo Genn

Psychiatrist (uncredited)

Jim Brady

Workman (uncredited)

Ewan Roberts

Customer at Petrol Station (uncredited)

Russell Waters

Waiter (uncredited)