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Greg Walker
Writing
Greg Walker is a producer and writer.
Acting
Crew
TV
Titans
Writer
TV
Titans
Executive Producer
TV
Titans
Director
TV
Extant
Writer
TV
Vegas
Writer
TV
Vegas
Executive Producer
TV
Vegas
Creator
TV
Three Rivers
Writer
TV
Without a Trace
Writer
TV
Without a Trace
Story
TV
Smallville
Writer
TV
Smallville
Story
TV
Harsh Realm
Writer
TV
L.A. Doctors
Writer
Man of Her Dreams
Writer
TV
The X-Files
Writer