"Miss Marple believes she's seen a murder in a passing-by train, yet when the police find no evidence she decides to investigate it on her own."
Margaret Rutherford
as Miss Jane Marple
Arthur Kennedy
as 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
Joan Hickson
as Mrs. Kidder
Stringer Davis
as Jim Stringer
Ronnie Raymond
as Alexander Eastley
Gerald Cross
as Albert Ackenthorpe
Michael Golden
as Hillman
Richard Briers
as 'Mrs Binster'
Lucy Griffiths
as Lucy
Peter Butterworth
as Ticket Collector
Barbara Leake
as Helen Stainton
Gordon Harris
as Bacon
Nadia Pavlova
as Murder Victim (uncredited)
Ron Goodwin
Original Music Composer
Geoffrey Faithfull
Director of Photography
David Pursall
Screenplay
Harry White
Art Direction
Ernest Walter
Editor
George Pollock
Director
George H. Brown
Producer
Eddie Knight
Makeup Artist
Jack Seddon
David D. Osborn
Agatha Christie
Novel
Cyril Swern
Sound Recordist
Robert Carrick
Sound Editor
Jan Darnley-Smith
Production Manager
Pearl Orton
Hairdresser
Norman Hargood
Still Photographer
Douglas Hickox
Assistant Director
Tom Howard
Special Effects
J.B. Smith
A.W. Watkins
Sound Supervisor
Conductor
Felix Evans
Wardrobe Master
Austin Dempster
Camera Operator
Beryl Booth
Continuity