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 an African-American character in a war film. Downey Jr.'s portrayal of Lazarus is both hilarious and thought-provoking, offering a satirical commentary on Hollywood and the film industry. Tropic Thunder is a highly entertaining and quotable movie that showcases Downey Jr.'s versatility as an actor.