Margaret Rutherford

Character: Miss Jane Marple

Arthur Kennedy

Character: Paul Quimper

Muriel Pavlow

Character: Emma Ackenthorpe

James Robertson Justice

Character: Luther Ackenthorpe

Thorley Walters

Character: Cedric Ackenthorpe

Charles Tingwell

Character: Inspector Craddock

Conrad Phillips

Character: Harold Ackenthorpe

Ronald Howard

Character: Brian Eastley

Joan Hickson

Character: Mrs. Kidder

Stringer Davis

Character: Jim Stringer

Ronnie Raymond

Character: Alexander Eastley

Gerald Cross

Character: Albert Ackenthorpe

Michael Golden

Character: Hillman

Richard Briers

Character: 'Mrs Binster'

Lucy Griffiths

Character: Lucy

Peter Butterworth

Character: Ticket Collector

Barbara Leake

Character: Helen Stainton

Gordon Harris

Character: Bacon

Nadia Pavlova

Character: Murder Victim (uncredited)