Writing
Greg Walker is a producer and writer.
Smallville
2001 · Writer
The X-Files
1993 · Writer
Titans
2018 · Writer
Extant
2014 · Writer
Without a Trace
2002 · Writer
Gargoyles
1972 · Gargoyle
Vegas
2012 · Writer
Three Rivers
2009 · Writer
Harsh Realm
1999 · Writer
Man of Her Dreams
1997 · Writer
L.A. Doctors
1998 · Writer
