Credits
Cast

Hayley Mills
Ellie Thomsen

Hywel Bennett
Michael Rogers

Britt Ekland
Greta

Per Oscarsson
Santonix

George Sanders
Andrew Lippincott

Aubrey Richards
Dr. Philpott
Ann Way
Mrs. Philpott

Patience Collier
Miss Townsend

Peter Bowles
Reuben

Lois Maxwell
Cora

David Bauer
Uncle Frank

Helen Horton
Aunt Beth
Madge Ryan
Michael's Mother

Windsor Davies
Sgt. Keene

Walter Gotell
Constantine

Geoffrey Chater
Coroner

David Healy
Jason
Robert Keegan
Innkeeper
Robert A. O'Neil
Broker
Mischa De La Motte
Maynard

Nicholas Courtney
Second Auctioneer (uncredited)

Leo Genn
Psychiatrist (uncredited)
Charlie Gray
Man at Auction (uncredited)
Victor Harrington
Man at Auction (uncredited)
Stephanie Mildenhall
Child (uncredited)

Jim Brady
Workman (uncredited)
Joe Phelps
Police Officer at Inquest (uncredited)

Ewan Roberts
Customer at Petrol Station (uncredited)
Reg Thomason
Doctor in Rembrandt Painting Mock-up (uncredited)
Steven Wallen
Young Michael (uncredited)

Russell Waters
Waiter (uncredited)
Art
Fred Carter
Art Direction
Wilfred Shingleton
Production Design
Camera
Harry Waxman
Director of Photography
Costume & Make-Up
John Furniss
Costume Design
Allan McKeown
Hairdresser
John O'Gorman
Makeup Artist
Alan Brownie
Makeup Artist
Directing

Sidney Gilliat
Director, Screenplay, Executive Producer
Editing
Thelma Connell
Editor
Production
Thelma Graves
Casting

Frank Launder
Executive Producer
Leslie Gilliat
Producer
Roy Parkinson
Production Supervisor
Sound

Bernard Herrmann
Original Music Composer
Writing

Agatha Christie
Novel