Intelligence operatives from MI6 to the CIA share insider stories of spy craft, Cold War campaigns, and coups carried out by covert agents.

Secrets of the Spies is a brand new docuseries coming to BritBox UK that's set to expose the covert world of espionage, and we've got an exclusive first look at the new series! In our exclusive preview, we learn more about what the life of a spy is like from former MI6 officer, Matthew Dunn