moviescapsule on Instagram: "Gary Oldman’s cameo in Oppenheimer is brief but powerful, standing out as one of the film’s most intense moments. Oldman plays President Harry S. Truman in a short scene set in the Oval Office. After Hiroshima and Nagasaki, Oppenheimer (Cillian Murphy) meets Truman, visibly shaken by the devastation. Oppenheimer admits that he feels he has “blood on his hands.” Truman, annoyed and dismissive, hands him a handkerchief and later calls him a crybaby, saying politicians,