Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Producer | Justice League: The New Frontier | 2008 | |
| Writer | Justice League: The New Frontier | 2008 | |
| Writer | Superman/Batman: Nemici pubblici | 2009 | |
| Writer | Batman Beyond: The Movie | 1999 | |
| Writer | Batman e Superman - I due supereroi | 1998 |