Tropic Thunder is a 2008 action comedy film directed by Ben Stiller. Robert Downey Jr. delivers a standout performance as Kirk Lazarus, an Australian method actor who undergoes a controversial skin pigmentation procedure to portray a black character in a war film. The movie satirizes Hollywood and the film industry, with Downey Jr.'s portrayal of Lazarus earning critical acclaim for its comedic brilliance and commitment to the role.