Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | Constantine - A démonvadász | 2005 | |
| Writer | Watchmen: Az őrzők | 2009 | |
| Writer | Batman: Gyilkos tréfa | 2016 | |
| Writer | A szövetség | 2003 | |
| Writer | A sötét Igazság Ligája | 2017 | |
| Writer | A pokolból | 2001 | |
| Writer | Constantine: City of Demons - The Movie | 2018 | |
| Writer | Watchmen: A Fekete Hajó meséi | 2009 | |
| Writer | Watchmen: A Fekete Hajó meséi | 2009 | |
| Actor | Superheroes: A Never-Ending Battle | Himself (Archival Interview) | |
| Actor | Képregények: A DC Comics története | 2010 | himself |
| Actor | The Show | 2020 | |
| Writer | The Show | 2020 |