All Cast
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
Bernard Adams
Dusty Miller
Edna Petrie
Miss Pringle
Roy Holder
Petty Officer Lamb