Sherlock de Saias

Margaret Rutherford

Miss Jane Marple

Stringer Davis

Jim Stringer

Robert Morley

Hector Enderby

Flora Robson

Miss Milchrest

Charles Tingwell

Inspector Craddock

Gordon Harris

Sergeant Bacon

Robert Urquhart

George Crossfield

Katya Douglas

Rosamund Shane

James Villiers

Michael Shane

Noel Howlett

Mr. Trundell

Finlay Currie

Old Enderby

Duncan Lamont

Hillman

Kevin Stoney

Dr. Markwell

Frank Atkinson

Hotel Night Porter (uncredited)

Roger Avon

Police Photographer (uncredited)

Fred Griffiths

Landlord (uncredited)