(1963)
Directed by: Don Chaffey
Starring: Leo McKern, Janet Munro, Maxine Audley
Overview: A British professor (Leo McKern) betters mankind with a traceless poison whose victims die laughing.
Directed by: Peter Graham
Starring: Janet Munro, John Stride, Alan Badel
Overview: A small-town girl thirsting for adventure finds it in the big city, but not without tragic results.
(1962)
(1961)
(1960)
(1959)
(1958)