Aún no disponemos de datos de Greg Walker en la Base
Filmografía parcial 
| All -- Movies -- TVmovie-Video -- TV Episodes | ||
| - | X-FILES 8/169 SUREKILL (2001) [20th Century-Fox TV] | |
| ... Guión | ||
| - | X-FILES 8/178 EMPEDOCLES (2001) [20th Century-Fox TV] | |
| ... Guión | ||
| - | X-FILES 7/157 BRAND X (2000) [20th Century-Fox TV] | |
| ... Guión | ||
