Early Career
* The Desperate Hours (1955)
* The Longest Day (1962)
* Paper Lion (1968)
* M*A*S*H (1970) (played Hawkeye Pierce)
* The Mephisto Waltz (1971)
* The Great Scout & Cathouse Thursday (1976)
Later Career
* Same Time, Next Year (1978)
* The Seduction of Joe Tynan (1979)
* The Four Seasons (1981)
* A Bridge Too Far (1977)
* The Aviator (2004)
* The Longest Yard (2005)
* Everything Is Illuminated (2005)
* The Devil Wears Prada (2006)
* Radio Free Albemuth (2009)
* The Departed (2006)
* Finding Neverland (2004)
Recent Work
* Marriage Story (2019)
* The Irishman (2019)
* Crimes of the Future (2022)
This is not an exhaustive list, but it gives you a good sense of his diverse filmography. He has also been in many television shows, including the highly acclaimed *M*A*S*H*, *The West Wing*, and *ER*, and he is known for his work as a writer, director, and comedian.