Cast
Will Hay
Prof. Davis
John Mills
Bobby Jessop
Basil Sydney
Costello
Felix Aylmer
Crabtree
Thora Hird
Joyce
Henry Hewitt
Prof. Davys
Owen Reynolds
Harman
Frank Cellier
Innsbach
Joss Ambler
Sir John
Frank Allenby
Onslowe
Crew
Basil Dearden
Director
Will Hay
Director
Angus MacPhail
Screenplay
John Dighton
Screenplay
Angus MacPhail
Original Story
John Dighton
Original Story
Michael Balcon
Producer
Günther Krampf
Cinematography
Ray Pitt
Editor
Thomas N. Morahan
Art Direction
Recommended
Info provided by The Movie Database. Watch sources provided by JustWatch.