John F. Showalter

The Winchesters

TV · Director · 2 eps

S.W.A.T.

TV · Director · 3 eps

DC's Legends of Tomorrow

TV · Director · 1 ep

Frequency

TV · Director · 1 ep

Timeless

TV · Director · 5 eps

Supergirl

TV · Director · 1 ep

The Flash

TV · Director · 3 eps

Forever

TV · Director · 1 ep

The 100

TV · Director · 5 eps

Constantine

TV · Director · 1 ep

Sleepy Hollow

TV · Director · 1 ep

Revolution

TV · Director · 3 eps

Arrow

TV · Director · 1 ep

Unforgettable

TV · Director · 1 ep

Fairly Legal

TV · Director · 1 ep

Alphas

TV · Director · 1 ep

Nikita

TV · Director · 1 ep

The Mentalist

TV · Director · 10 eps

Viva Laughlin

TV · Director · 1 ep

Threshold

TV · Director · 1 ep

Supernatural

TV · Director · 25 eps

Criminal Minds

TV · Director · 1 ep

Ghost Whisperer

TV · Director · 1 ep

House

TV · Director · 1 ep

Cold Case

TV · Director · 2 eps