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Hayley Mills as Ellie Thomsen |
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Hywel Bennett as Michael Rogers |
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Britt Ekland as Greta |
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Per Oscarsson as Santonix |
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George Sanders as Andrew Lippincott |
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Aubrey Richards as Dr. Philpott |
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Ann Way as Mrs. Philpott |
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Patience Collier as Miss Townsend |
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Peter Bowles as Reuben |
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Lois Maxwell as Cora |
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David Bauer as Uncle Frank |
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Helen Horton as Aunt Beth |
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Madge Ryan as Michael's Mother |
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Windsor Davies as Sgt. Keene |
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Walter Gotell as Constantine |
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Geoffrey Chater as Coroner |
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David Healy as Jason |
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Robert Keegan as Innkeeper |
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Robert A. O'Neil as Broker |
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Mischa De La Motte as Maynard |
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Nicholas Courtney as Second Auctioneer (uncredited) |
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Leo Genn as Psychiatrist (uncredited) |
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Charlie Gray as Man at Auction (uncredited) |
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Victor Harrington as Man at Auction (uncredited) |
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Stephanie Mildenhall as Child (uncredited) |
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Jim Brady as Workman (uncredited) |
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Joe Phelps as Police Officer at Inquest (uncredited) |
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Ewan Roberts as Customer at Petrol Station (uncredited) |
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Reg Thomason as Doctor in Rembrandt Painting Mock-up (uncredited) |
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Steven Wallen as Young Michael (uncredited) |
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Russell Waters as Waiter (uncredited) |
| Directing | Sidney Gilliat | Director |
| Writing | აგათა კრისტი | Novel |
| Writing | Sidney Gilliat | Screenplay |
| Production | Leslie Gilliat | Producer |
| Production | Sidney Gilliat | Executive Producer |
| Production | Frank Launder | Executive Producer |
| Editing | Thelma Connell | Editor |
| Production | Thelma Graves | Casting |
| Art | Wilfred Shingleton | Production Design |
| Art | Fred Carter | Art Direction |
| Costume & Make-Up | John Furniss | Costume Design |
| Costume & Make-Up | Alan Brownie | Makeup Artist |
| Costume & Make-Up | Allan McKeown | Hairdresser |
| Costume & Make-Up | John O'Gorman | Makeup Artist |
| Production | Roy Parkinson | Production Supervisor |
| Sound | Bernard Herrmann | Original Music Composer |
| Camera | Harry Waxman | Director of Photography |
