60 mins
Margaret Lockwood
Clarissa Hailsham-Brown
Felix Aylmer
Sir Rowland Delahaye
Myles Eason
Jeremy Warrender
Harold Scott
Hugo Birch
Campbell Singer
Inspector Lord
Desmond Llewelyn
Constable Jones
Sidney Monckton
Elgin
Judith Furse
Mildred Peake
Charles Morgan
Oliver Costello
Agatha Christie
Screenplay
Wallace Douglas
Director
