A play by Frank Vosper.
Based on a short story by Agatha Christie.
with Avril Angers, Douglas Robinson, Julia Bretton, Elton Hayes, Gerry Hoey and 'Dizzie', Beryl Grey and David Paltenghi.
(Beryl Grey and David Paltenghi appear by permission of the Administrator of the Royal Covent Garden Opera Trust)
John Grierson, recently appointed Director of Mass Media at Unesco, discusses Britain's use of the Documentary, with illustrations from recent Central Office of Information films, which will be described by Helen de Mouilpied.