Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Actor | Thor | 2011 | Townie |
| Writer | Thor | 2011 | |
| Writer | World War Z | 2013 | |
| Writer | Changeling - Vaihdokas | 2008 | |
| Writer | Underworld: Awakening | 2012 | |
| Creator | Babylon 5 | ||
| Writer | Ninja Assassin | 2009 | |
| Writer | Babylon 5: Kokoontuminen | 1993 | |
| Writer | Babylon 5: Sielujen Virta | 1998 | |
| Producer | Babylon 5: Sielujen Virta | 1998 | |
| Writer | Babylon 5: Tie Babyloniin | 1998 | |
| Producer | Babylon 5: Tie Babyloniin | 1998 | |
| Writer | Babylon 5: Kolmas Ulottuvuus | 1998 | |
| Producer | Babylon 5: Kolmas Ulottuvuus | 1998 | |
| Writer | Babylon 5: Aseveljet | 1999 | |
| Producer | Babylon 5: Aseveljet | 1999 | |
| Writer | Babylon 5: The Legend Of The Rangers | 2002 | |
| Producer | Babylon 5: The Legend Of The Rangers | 2002 | |
| Director | Babylon 5: Kadonneet Tarinat | 2007 | |
| Writer | Babylon 5: Kadonneet Tarinat | 2007 | |
| Producer | Babylon 5: Kadonneet Tarinat | 2007 | |
| Writer | Babylon 5: The Road Home | 2023 | |
| Writer | Murder, She Wrote: A Story to Die For | 2000 | |
| Writer | Silver Surfer: Prodigal Son | 2019 |