# The Spy Who Saved MI5 | How the Cambridge Five Changed MI5 | 5

An episode of [The Spy Who](https://invisiblenetwork.ai/podcast/1728948939), 22 Apr 2024, 38 min.

Audio: https://rss.art19.com/episodes/2bafba11-a5ef-493f-acd8-697c96e40b93.mp3?rss_browser=BAhJIhVJbnZpc2libGVOZXR3b3JrBjoGRVQ%3D--0761ee75eb25694efc17849092f8583c07f6c68b

Why was the Cambridge Five scandal so embarrassing to MI5? And how significant was Oleg Lyalin's success in restoring faith in British Intelligence? Tristan Donovan discusses the notorious spy-ring and its lasting impact with Andrew Lownie, the author of Stalin's Englishman. Listen to The Spy Who ad-free on Wondery+ in the Wondery App, Apple Podcasts or Spotify. Start your free trial by visiting wondery.com/links/the-spy-who now. See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

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