Murder She Said. (1961 film). Part 1 of 2.

While travelling by train, Miss Marple witnesses the strangling of a young woman in another train on a parallel track.

Margaret Rutherford as Miss Jane Marple
Arthur Kennedy as Dr Paul Quimper
Muriel Pavlow as Emma Ackenthorpe
James Robertson Justice as Luther Ackenthorpe
Thorley Walters as Cedric Ackenthorpe
Charles Tingwell as Inspector Craddock
Conrad Phillips as Harold Ackenthorpe
Ronald Howard as Brian Eastley, father of Alexander
Joan Hickson as Mrs Kidder
Stringer Davis as Jim Stringer
Ronnie Raymond as Alexander Eastley
Gerald Cross as Albert Ackenthorpe
Michael Golden as Hillman
Barbara Leake as Mrs Hilda Stainton
Gordon Harris as Sergeant Bacon
Peter Butterworth as Ticket collector
Richard Briers as "Mrs Binster" of Mrs Binster's Employment Agency
Lucy Griffiths as Lucy

Directed by George Pollock