Joan Hickson as Miss Marple

Donald Pleasence as Jason Rafiel

Adrian Lukis as Tim Kendal

Sophie Ward as Molly Kendal

T. P. McKenna as Dr. Grahame

Michael Feast as Edward Hillingdon

Sheila Ruskin as Evelyn Hillingdon

Frank Middlemass as Major Palgrave

Robert Swann as Greg Dyson

Sue Lloyd as Lucky Dyson

Barbara Barnes as Esther Walters

Stephen Bent as Jackson

Joseph Mydell as Inspector Weston

Valerie Buchanan as Victoria

Isabelle Lucas as Aunty Johnson

Shaughan Seymour as Napier

Gregory Munroe as Pathologist

T.R. Bowen as Raymond West

James Curran as Piers Musgrave