It's a Penny to a Pony... Murder Will Out!
Miss Marple and Mr. Stringer are witnesses to the death by heart attack of elderly, rich Mr. Enderby. Yet they have their doubts about what happened. The police don't believe them, thus leading Miss Marple to yet again investigate by herself.
Hector Enderby
Inspector Craddock
Miss Jane Marple
Old Enderby
Michael Shane
Miss Milchrest
Dr. Markwell
Hillman
Hotel Night Porter (uncredited)
George Crossfield
Jim Stringer
Mr. Trundell
Police Photographer (uncredited)
Landlord (uncredited)
Rosamund Shane
Sergeant Bacon