Murder at Midnight

Murder at Midnight is a film within a film. It appears in the 1980 film The Mirror Crack'd, featuring Angela Lansbury as Miss Marple.

The film is shown in the village hall in St. Mary Mead, but the film projector breaks down before the audience can see the end of the film. Naturally Miss Marple had figured out who the murderer was.

Plot
[climax of the film] Police Inspector Gates arrives at a large country estate. He gathers all suspects (including Barnsby, the butler) in the drawing room. When asked if he found Lady Ridgeley's stolen jewels he answers that he hasn't, bu that he now knows who the murder of Lord Fenley is.

Cast
The actors are credited under their real names on a film poster, that is displayed in the village hall.
 * Anthony Steel as Sir Derek Ridgeley (a business partner of Lord Fenley)
 * Dinah Sheridan as Lady Amanda Ridgeley, his wife (she had an affair with Lord Fenley)
 * Oriane Grieve as Kate Ridgely
 * Kenneth Fortescue as Charles Foxwell, the son-in-law of Sir Ridgeley
 * Hildegard Neil as Lady Foxcroft (she had an affair with Lord Fenley)
 * Allan Cuthbertson as Peter Montrose
 * George Silver as Da Silva
 * John Bennett as Barnsby, the butler (the half brother of Lord Fenley, and the illegitimate father of Peter Montrose)
 * Nigel Stock as Inspector Gates