Collaborations between Jean Ummels and Klaas de Jong
| Film Title | Year | Jean Ummels | Klaas de Jong |
|---|---|---|---|
| The Hell of '63 | 2009 | Writer | Producer |
| De schippers van de Kameleon | 2003 | Writer | Producer |
| Film Title | Year | Jean Ummels | Klaas de Jong |
|---|---|---|---|
| The Hell of '63 | 2009 | Writer | Producer |
| De schippers van de Kameleon | 2003 | Writer | Producer |