John Showalter (director)


John F. Showalter is an American television director and editor.
He is well known for his work on Without a Trace, The Mentalist and Supernatural.

Career

Showalter's directing credits include Ghost Whisperer, House, Criminal Minds, Without a Trace, Supernatural, The Mentalist, Supergirl, and The Flash, as well as editing episodes of , Gideon's Crossing, Glory Days, Timeless and ''The 100.