Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | 더티 해리 | 1971 | |
| Writer | 특전 U보트 | 1981 | |
| Writer | 평원의 무법자 | 1973 | |
| Writer | 더티 해리 4 - 써든 임팩트 | 1983 | |
| Writer | 더티 해리 3 - 집행자 | 1976 | |
| Writer | 어둠 속에 벨이 울릴 때 | 1971 | |
| Writer | Coogan's Bluff | 1968 | |
| Writer | The Sting II | 1983 | |
| Writer | Charley Varrick | 1973 | |
| Writer | Fatal Beauty | 1987 |