At the insistence of Ruth Van Rydock, an old schoolfriend who is convinced that there is something wrong, Miss Marple agrees to visit 'Stonygates', the country house of Ruth's sister.
Miss Marple
Carrie-Louise Serrocold
Lewis Serrocold
Ruth van Rydock
Gina Hudd
Walter Hudd
Keithie
Mildred Strete
Edgar Lawson
Chief Inspector Slack
Sergeant Lake
Alex Restarick
Stephen Restarick
Dr. Maseryk
Ernie Gregg
Christian Gulbrandsen
Mrs. Rodgers
Neville
Bert
W.P.C
Dancer
