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