Helen Hayes

as Miss Jane Marple

Bette Davis

as Carrie Louise Serrocold

John Mills

as Lewis Serrocold

Leo McKern

as Insp. Curry

Liane Langland

as Gina Markham

John Laughlin

as Wally Markham

Dorothy Tutin

as Mildred Strete

Anton Rodgers

as Dr. Max Hargrove

Frances de la Tour

as Miss Bellaver

Dick Lowry

Director