Cast & crew
Endless Night (1972)
Directed by Sidney Gilliat Written by Sidney Gilliat
Cast
| Hayley Mills | Thomsen |
| Hywel Bennett | Michael |
| Britt Ekland | Greta |
| Per Oscarsson | Santonix |
| George Sanders | Lippincott |
| Aubrey Richards | Philpott |
| Ann Way | Philpott |
| David Bauer | Frank |
| Peter Bowles | Reuben |
| Lois Maxwell | Cora |
| Patience Collier | Miss Catherine |
| Helen Horton | Aunt Beru |
| Windsor Davies | Keene Mordaunt |
| Madge Ryan | Michael's Bandmate |
| Walter Gotell | Teenage Constantine |
| Geoffrey Chater | Coroner |
| David Healy | Jason |
| Robert Keegan | Innkeeper |
| Robert A. O'Neil | Pawn Broker |
| Mischa De La Motte | Maynard |
| Nicholas Courtney | Auctioneer |
| Leo Genn | Psychiatrist |
| Charlie Gray | (uncredited) |
| Victor Harrington | (uncredited) |
| Stephanie Mildenhall | (uncredited) |
| Jim Brady | Workman |
| Joe Phelps | Police Officer |
| Ewan Roberts | (uncredited) |
| Reg Thomason | Rembrandt |
| Steven Wallen | (uncredited) |
| Russell Waters | (uncredited) |
Crew
| Sidney Gilliat | Director |
| Sidney Gilliat | Executive Producer |
| Frank Launder | Executive Producer |
| Sidney Gilliat | Screenplay |
| Leslie Gilliat | Producer |
| Agatha Christie | Novel |
| Thelma Connell | Editor |
| Wilfred Shingleton | Production Design |
| Fred Carter | Art Direction |
| John Furniss | Costume Design |
| Alan Brownie | Makeup Artist |
| John O'Gorman | Makeup Artist |
| Allan McKeown | Hairdresser |
| Thelma Graves | Casting |
| Bernard Herrmann | Original Music Composer |
| Harry Waxman | Director of Photography |
| Roy Parkinson | Production Supervisor |