Regie geführt bei
| 1982 | Puff the Magic Dragon: The Incredible Mr. Nobody | ||
| 1979 | Puff the Magic Dragon: The Land of the Living Lies | ||
| 1978 | Puff, der Zauberdrachen | ||
| 1977 | The Mouse and His Child | ||
| 1971 | The Point |
Drehbuchautor bei
| 1991 | Teenage Mutant Ninja Turtles: Planet of the Turtleoids | ||
| 1971 | The Point |
mitgespielt in
| 2010 | Who Is Harry Nilsson (And Why Is Everybody Talkin' About Him?) | ||
| 1987–1996 | Teenage Mutant Hero Turtles |