© 2026 The Couch Critic
Lots of slogans such as "Be like Dad, Keep Mum" and "Keep it under your Hat" are visible on the walls in various scenes to reinforce the plot of this British wartime movie illustrating how gossipy talk can result in unknowingly giving valuable information to Nazi spies.
36 Cast Members
Mervyn Johns
No 23: Mr Davis
Nova Pilbeam
Beppie Leemans
Reginald Tate
Maj. Richards
John Chandos
No 16
Stephen Murray
Mr. Barratt
Jack Hawkins
Brigade Major Harcourt
Geoffrey Hibbert
Pvt. John
Philip Friend
Lt. Cummins
Phyllis Stanley
Miss Clare
Mary Clare
Mrs. Webster
Basil Sydney
Naval captain
Joss Ambler
Mr Vemon
Brefni O'Rorke
Brigadier Blunt
Alexander Field
Pvt. Durnford
David Hutcheson
Intelligence officer
Torin Thatcher
German General
Thora Hird
ATS drover with puncture
Frederick Leister
Colonel
Charles Victor
Neutral Seaman - Irish Joe
Richard Norris
Pvt. Jimmy
