John Showalter (director)
John F. Showalter is an American television director and editor.
John F. Showalter
|Other names||John Showalter|
|Occupation||Television director, editor and producer|
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 Lois & Clark: The New Adventures of Superman, Gideon's Crossing, Glory Days, Timeless and The 100.