Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | 네버엔딩 스토리 | 1984 | |
| Writer | 네버엔딩 스토리 2 | 1990 | |
| Writer | 네버엔딩 스토리 3 | 1994 | |
| Writer | Momo | 2001 | |
| Writer | Jim Button and Luke the Engine Driver | 2018 | |
| Writer | Tales from the Neverending Story: The Beginning | 2001 | |
| Actor | Momo | 1986 | Man in Train (uncredited) |
| Writer | Momo | 1986 | |
| Writer | Tales from the Neverending Story: Resurrection | 2004 | |
| Writer | Augsburger Puppenkiste - Jim Knopf und die Wilde 13 | 1977 |