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. The movie satirizes Hollywood and the film industry, and Downey Jr.'s portrayal of Lazarus is both hilarious and thought-provoking. Tropic Thunder received critical acclaim for its sharp humor and ensemble cast.