9. Jack King and the Fifth Column

History's Secret Heroes - A podcast by BBC Radio 4

Eric Roberts, a bank worker from Surrey, joins MI5. He is given the alias Jack King and his job is to hunt for British Nazi-sympathisers. Helena Bonham Carter shines a light on extraordinary stories from World War Two. Join her for incredible tales of deception, acts of resistance and courage.A BBC Studios Podcast production for BBC Radio 4 and BBC Sounds. Producer: Amie Liebowitz Executive Producer: Paul Smith Written by Alex von Tunzelmann