Joan Hickson as Miss Marple

Claire Bloom as Marina Gregg

Barry Newman as Jason Rudd

Norman Rodway as Dr. Gilchrist

John Cassady as Giuseppe Murano

David Horovitch as Superintendent Slack

John Castle as Detective Inspector Craddock

Ian Brimble as Sergeant Lake

Gwen Watford as Mrs. Dolly Bantry

Judy Cornwell as Heather Badcock

Christopher Hancock as Arthur Badcock

Elizabeth Garvie as Ella Zeilinsky

Anna Niland as Cherry Baker

Amanda Elwes as Margot Bence

Margaret Courtenay as Miss Knight

Rose Keegan as Gladys Dixon

Rhoda Lewis as Mrs. Brogan

Christopher Good as Rev. Christopher Hawes

Barbara Hicks as Miss Hartnell

Celia Ryder as Mrs. Hopkins

Jon Croft as Inch

Constantine Gregory as Ardwyck Fenn

Glynis Barber as Lola Brewster

Michael Stroud as Delancey

Reggie Oliver as Chris

T.R. Bowen as Raymond West

Vince Rayner as Station Master

Stuart Harrison as Court Equerry

Annet Peters as Make-up Lady