Physicist Ted Hall is recruited to join the Manhattan Project as a teenager and goes to Los Alamos with no idea what he'll be working on. When he learns the true nature of the weapon being designed, he fears the post-war risk of a nuclear holocaust and begins to pass significant information to the Soviet Union.
Walter Thomas Huston (April 5, 1883 – April 7, 1950) was a Canadian actor and singer. Huston won the Academy Award for Best Supporting Actor for his role in The Treasure of the Sierra Madre (1948), directed by his son John Huston. He is the patriarch of the four generations of the Huston acting family, including his son John, grandchildren Anjelica Huston, Danny Huston, Allegra Huston, and great-grandchild Jack Huston. Description above from the Wikipedia article Walter Huston, licensed under CC-BY-SA, full list of contributors on Wikipedia.