On screen
Cast
31 credited performers
Hayley Mills
Ellie Thomsen
Hywel Bennett
Michael Rogers
Britt Ekland
Greta
Per Oscarsson
Santonix
George Sanders
Andrew Lippincott
Aubrey Richards
Dr. Philpott
Artwork unavailable
Ann Way
Mrs. Philpott
Patience Collier
Miss Townsend
Peter Bowles
Reuben
Lois Maxwell
Cora
David Bauer
Uncle Frank
Helen Horton
Aunt Beth
Artwork unavailable
Madge Ryan
Michael's Mother
Windsor Davies
Sgt. Keene
Walter Gotell
Constantine
Geoffrey Chater
Coroner
David Healy
Jason
Artwork unavailable
Robert Keegan
Innkeeper
Artwork unavailable
Robert A. O'Neil
Broker
Artwork unavailable
Mischa De La Motte
Maynard
Nicholas Courtney
Second Auctioneer (uncredited)
Leo Genn
Psychiatrist (uncredited)
Artwork unavailable
Charlie Gray
Man at Auction (uncredited)
Artwork unavailable
Victor Harrington
Man at Auction (uncredited)
Artwork unavailable
Stephanie Mildenhall
Child (uncredited)
Jim Brady
Workman (uncredited)
Artwork unavailable
Joe Phelps
Police Officer at Inquest (uncredited)
Ewan Roberts
Customer at Petrol Station (uncredited)
Artwork unavailable
Reg Thomason
Doctor in Rembrandt Painting Mock-up (uncredited)
Artwork unavailable
Steven Wallen
Young Michael (uncredited)
Russell Waters
Waiter (uncredited)