Red Joan (2018)

English-born Joan Stanley (Dame Judi Dench), a Soviet and Communist Party sympathizer, becomes employed as a British government civil servant, and gets recruited by the K.G.B. in the mid 1930s. She successfully transfers nuclear bomb secrets to Soviet Russia, which enables them to keep up with the west in the development of atomic weapons, and remains undetected as a spy for over a half a century.

Red Joan is a history movie featuring Judi Dench.

Red Joan is currently streaming for free (ad-supported) on Kanopy and Tubi TV and it's also available on AMC+ Amazon Channel and DIRECTV.

It is also possible to buy Red Joan on Amazon Video, Apple TV, Google Play Movies, Vudu and YouTube or rent it on DIRECTV.