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Filmography: John F. Showalter

16
House
8.6
House
2004
The Mentalist
8.3
The Mentalist
2008
Supernatural
8.3
Supernatural
2005
Criminal Minds
8.3
Criminal Minds
2005
Ghost Whisperer
8.1
Ghost Whisperer
2005
S.W.A.T.
8.0
S.W.A.T.
2017
The 100
7.9
The 100
2014
Cold Case
7.8
Cold Case
2003
The Flash
7.8
The Flash
2014
Constantine
7.8
Constantine
2014
Sleepy Hollow
7.4
Sleepy Hollow
2013
Supergirl
7.3
Supergirl
2015
Nikita
7.3
Nikita
2010
DC's Legends of Tomorrow
7.3
DC's Legends of Tomorrow
2016
Timeless
7.2
Timeless
2016
Arrow
6.8
Arrow
2012