The IWM Film Archive is the oldest film archive in the UK, holding over 20,000 hours of film, video and digital material and covering the two World Wars and all conflicts involving British or Commonwealth Forces since the start of the Twentieth Century to the present. Our collection also reflects aspects of civilian life in wartime, military life in peacetime, military exercises and operations.
This film is part of Free

Now You're Talking
A commercially made Ministry of Information film, explaining how vital information could be carelessly leaked to prying enemy ears on the home front.
From the collection of:

Overview
Commissioned by the Ministry of Information and specifically target working class audiences; ‘Now you’re talking’ follows a plant worker, who lets slip vital information about some overnight research on a captured enemy aircraft. This inevitably leads to this most important of secrets falling into the lap of the enemy.
This government film is a public record, preserved and presented by the BFI National Archive on behalf of The National Archives, home to more than 1,000 years of British history.
Related

Alexandre Desplat (Masterclass) Alexandre Desplat (Masterclass)
Inside Film 2011 33 mins
Over 30 years and 150 projects, the composer shares, with humour and passion, the intricacies of making film music.

Ian Neil (Masterclass) Ian Neil (Masterclass)
Inside Film 2012 74 mins
Neil selected soundtracks for 127 Hours, Shame, Kick Ass, Control and many more. He discusses the job and its complexities, referencing his own work.

Screenwriters' Lecture: Peter Straughan Screenwriters' Lecture: Peter Straughan
Inside Film 2012 mins
Tinker Tailor Soldier Spy's adapter reveals his quest for "the poem of the book" and the importance of simplicity: 'Drain the pond to find the fish'.

Gabriel Yared on composing for film Gabriel Yared on composing for film
Inside Film 2013 11 mins
Composer of The Lives of Others, The English Patient and Betty Blue on intimacy and experimentation.

Lois Burwell on movie makeup Lois Burwell on movie makeup
Inside Film 2013 17 mins
Lincoln, Braveheart and Magnolia make-up artist Lois Burwell explains how she created some of her most iconic looks, as part of a BAFTA Masterclass.

Barry Ackroyd (Masterclass) Barry Ackroyd (Masterclass)
2013 61 mins
British cinematographer of The Hurt Locker, Captain Phillips, Hillsborough and Riff Raff reviews the art of the moving image.