Will Hay
Professor Davis
The Black Sheep of Whitehall
1947
The Black Sheep of Whitehall is a 1942 British black-and-white comedy war film, directed by Will Hay and Basil Dearden, starring Will Hay, John Mills, Basil Sydney and Thora Hird in her screen debut. It was produced by Michael Balcon and Ealing Studios. imdb.com