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Biography
Greg Walker is a producer and writer.
Acting 1
Writing 10
Titans
2018
Extant
2014
Vegas
2012
Three Rivers
2009
Without a Trace
2002
Smallville
2001
Harsh Realm
1999
L.A. Doctors
1998
The X-Files
1993
Greg Walker is a producer and writer.
2018
2014
2012
2009
2002
2001
1999
1998
1993