John F. Showalter
Acting
Biography
No overview available.
Acting History
2022
The Winchesters
TVDirector
2017
S.W.A.T.
TVDirector
2016
2015
Supergirl
TVDirector
2014
2013
Sleepy Hollow
TVDirector
2012
Revolution
TVDirector
Arrow
TVDirector
2011
2010
Nikita
TVDirector
2008
The Mentalist
TVDirector
2007
Viva Laughlin
TVDirector
2005
Criminal Minds
TVDirector
Threshold
TVDirector
Supernatural
TVDirector
Supernatural
TVCo-Executive Producer
Ghost Whisperer
TVDirector
2004
House
TVDirector
2003
Cold Case
TVDirector
1995
Charlie Grace
TVEditor