The Impossible Spy (1987)

This is the true story of an Israeli civilian who was recruited into Israel's Secret Intelligence Agency to become a spy in Damascus, where he spent years infiltrating the Syrian political establishment. Israel's national hero, Eli Cohen, successfully entered the upper echelons of the Syrian government as a double-agent. The secrets he obtained became crucial in Israel's victory in the 1967 Six Day War.

Unfortunately the movie The Impossible Spy is not yet available on HBO Max.