Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | Charade | 1963 | |
| Writer | Charade | 1963 | |
| Writer | I Sanningens Tjänst | 1995 | |
| Writer | The Taking of Pelham One Two Three | 1974 | |
| Writer | Sweet Charity | 1969 | |
| Writer | Arabesque | 1966 | |
| Writer | The Truth About Charlie | 2002 | |
| Writer | Father Goose | 1964 | |
| Writer | 1776 | 1972 | |
| Writer | 1776 | 1972 | |
| Writer | En man försvinner | 1965 | |
| Writer | Who Is Killing the Great Chefs of Europe? | 1978 | |
| Writer | Silver Bears | 1977 | |
| Writer | The Taking of Pelham One Two Three | 1998 | |
| Writer | The Secret War of Harry Frigg | 1968 |