Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Actor | 애니 홀 | 1977 | Annie's Date Outside Theatre |
| Writer | 황야의 7인 | 1960 | |
| Writer | Fail-Safe | 1964 | |
| Writer | The Train | 1964 | |
| Writer | Paris Blues | 1961 | |
| Writer | 프론트 | 1976 | |
| Writer | Miss Evers' Boys | 1997 | |
| Director | Little Miss Marker | 1980 | |
| Writer | Little Miss Marker | 1980 | |
| Writer | The House on Carroll Street | 1988 | |
| Writer | Fail Safe | 2000 | |
| Writer | The Molly Maguires | 1970 | |
| Producer | The Molly Maguires | 1970 | |
| Writer | Yanks | 1979 | |
| Actor | Trumbo | 2007 | Himself / Interviewee |
| Writer | A Breath of Scandal | 1960 | |
| Writer | The Wonderful Country | 1959 | |
| Writer | Kiss the Blood Off My Hands | 1948 |