Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | Čaroděj ze země Oz | 1939 | |
| Writer | Mocný vládce Oz | 2013 | |
| Writer | Return to Oz | 1985 | |
| Writer | The Wiz | 1978 | |
| Writer | The Muppets' Wizard of Oz | 2005 | |
| Writer | The Life & Adventures of Santa Claus | 2000 | |
| Crew | Dorothy and the Witches of Oz | 2012 | |
| Writer | The Wizard of Oz | 1925 | |
| Writer | The Wonderful Wizard of Oz | 1910 | |
| Writer | The Wizard of Oz | 1982 |