Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | Constantine | 2005 | |
| Writer | Watchmen Strażnicy | 2009 | |
| Writer | Batman: Zabójczy żart | 2016 | |
| Writer | Liga niezwykłych dżentelmenów | 2003 | |
| Writer | Liga Sprawiedliwości: Mrok | 2017 | |
| Writer | Z piekła rodem | 2001 | |
| Writer | Constantine: City of Demons - The Movie | 2018 | |
| Writer | Tales of the Black Freighter | 2009 | |
| Writer | Tales of the Black Freighter | 2009 | |
| Actor | Superheroes: A Never-Ending Battle | Himself (Archival Interview) | |
| Actor | Secret Origin: The Story of DC Comics | 2010 | himself |
| Actor | The Show | 2020 | |
| Writer | The Show | 2020 |