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