Helen Hayes as Miss Jane Marple

Bette Davis as Carrie Louise Serrocold

John Mills as Lewis Serrocold

Leo McKern as Insp. Curry

Liane Langland as Gina Markham

John Laughlin as Wally Markham

Dorothy Tutin as Mildred Strete

Anton Rodgers as Dr. Max Hargrove

Frances de la Tour as Miss Bellaver

John Woodvine as Christian Gilbranson

James Coombes as Steven Restarick

Tim Roth as Edgar Lawson

Christopher Fairbank as Sergeant Lake

Amanda Maynard as Miss Valentine

Derek Lyons as Young Man at Stonygates