Drehbuchautor bei
| 1973 | Wilde Pferde | ||
| 1970 | Flap | ||
| 1970 | La spina dorsale del diavolo | ||
| 1969 | 100 Gewehre | ||
| 1968 | Die Unerschrockenen | ||
| 1967 | Die Gewaltigen | ||
| 1966 | Tarzan and the Valley of Gold | ||
| 1961 | Die Comancheros | ||
| 1961 | Die gnadenlosen Vier | ||
| 1961 | The Second Time Around | ||
| 1960 | Flammender Stern | ||
| 1960 | Seven Ways from Sundown | ||
| Cowboys |