Margaret Rutherford

Miss Jane Marple

Lionel Jeffries

Captain Rhumstone

Stringer Davis

Jim Stringer

Charles Tingwell

Inspector Craddock

William Mervyn

Breeze-Connington

Henry Oscar

Lord Rudkin

Joan Benham

Alice Fanbraid

Nicholas Parsons

Dr. Crump

Miles Malleson

Bishop

Derek Nimmo

Sub-Lt. Eric Humbert

Gerald Cross

Brewer

Norma Foster

Asst. Matron Shirley Boston

Terence Edmond

Sgt. Bacon

Francis Matthews

Lt. Compton

Lucy Griffiths

Millie

George Pollock