Margaret Rutherford character Miss Jane Marple
Stringer Davis character Jim Stringer
Lionel Jeffries character Captain Rhumstone
Charles Tingwell character Inspector Craddock
William Mervyn character Breeze-Connington
Henry Oscar character Lord Rudkin
Joan Benham character Alice Fanbraid
Nicholas Parsons character Dr. Crump
Miles Malleson character Bishop
Derek Nimmo character Sub-Lt. Eric Humbert
Gerald Cross character Brewer
Norma Foster character Asst. Matron Shirley Boston
Terence Edmond character Sgt. Bacon
Francis Matthews character Lt. Compton
Lucy Griffiths character Millie
Bernard Adams character Dusty Miller
Edna Petrie character Miss Pringle
