Tropic Thunder was written by Justin Theroux along with others.
Tropic Thunder is a 2008 satirical action comedy film co-written , produced , and directed by Ben Stiller . It was written by Stiller , Justin Theroux and Etan Cohen . Stiller 's idea for the film originated while playing a minor role in Empire of the Sun , and he later enlisted Theroux and Cohen to help complete the script .