Writer
Greg Walker is a producer and writer.
Smallville
2001 · 64 · Series
The X-Files
1993 · 80 · Series
Titans
2018 · 62 · Series
Extant
2014 · 20 · Series
Without a Trace
2002 · 39 · Series
Vegas
2012 · 7.3 · Series
Three Rivers
2009 · 6.8 · Series
Harsh Realm
1999 · 7.0 · Series
Man of Her Dreams
1997 · TMDB 4.0 · Movie
L.A. Doctors
1998 · 6.1 · Series
2018 · Writer, Executive producer, Director
2014 · Writer
2012 · Writer, Executive producer, Creator
2009 · Writer
2002 · Writer, Story
2001 · Writer, Story
1999 · Writer
1998 · Writer
1997 · Writer
1993 · Writer
7.3
