The Homeland star had high hopes for the adaptation from the very beginning. "I always wanted to see it turned into a film, and I wanted to be the one who worked on it," he told Huffington Post.
The Mad Men actor is expected to be nominated plenty of times this awards show season thanks to his powerful work.
You may recognize Jennifer Aniston's man from Charlie's Angels: Full Throttle, Miami Vice, Zoolander or Wanderlust. But to some people's surprise, the actor is also credited with writing the Iron Man sequel.
Theroux, along with Ben Stiller, also helped write the screenplay for the 2008 film.
What do men want? It's the question The Office star hopes to answer in the big-screen adaptation of David Foster Wallace's 1999 short-story collection.
The Avengers star brought plenty of thrills and chills to the big screen after writing the 2000 horror film.
Ever since Prison Break ended, the actor switched gears to write his first screenplay inspired by Aflred Hitchcock's Shadow of a Doubt.
The Judging Amy star wrote the biographical film about In Cold Blood author Truman Capote.
The dynamic duo's work received an Oscar for Best Adapted Screenplay. They would go on to work together again on The Way, Way Back.
The Dawn of the Dead star wrote and directed the dramatic film about a man coping with his wife's Alzheimer's disease.
NEXT GALLERY: Movie Premiere Pandemonium