evidence: Oppenheimer star Cillian Murphy has been captivating audiences for over 25 years with his striking looks and incredible on-screen persona. [...] Cillian is currently in the spotlight for his upcoming movie, Oppenheimer. In the new war drama, Murphy plays physicist J. Robert Oppenheimer. The movie dives into the life of Robert and his discovery atomic bomb and how it led to the death of hundreds and thousands of people. [...] The Oppenheimer cast including Murphy, Florence Pugh, Robert Downey Jr., Emily Blunt, Matt Damon, and more also recently made headlines for their incredible walk out during the UK premiere of Oppenheimer to show support for the ongoing actors' strikes.