Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | Charade | 1963 | |
| Writer | Charade | 1963 | |
| Writer | Im Sumpf des Verbrechens | 1995 | |
| Writer | Stoppt die Todesfahrt der U-Bahn 1-2-3 | 1974 | |
| Writer | Sweet Charity | 1969 | |
| Writer | Arabeske | 1966 | |
| Writer | Die Wahrheit über Charlie | 2002 | |
| Writer | Der große Wolf ruft | 1964 | |
| Writer | 1776 - Rebellion und Liebe | 1972 | |
| Writer | 1776 - Rebellion und Liebe | 1972 | |
| Writer | Die 27. Etage | 1965 | |
| Writer | Die Schlemmer-Orgie | 1978 | |
| Writer | Silber, Banken und Ganoven | 1977 | |
| Writer | U-Bahn-Inferno Terroristen im Zug | 1998 | |
| Writer | Der Etappenheld | 1968 |