---
name: "John Showalter"
canonical: "https://film.one/person/john-f-showalter"
roles: ["Director"]
reviewed_on_fi1m: 1
updated: "2026-09-16T22:48:03.281251+00:00"
licence: "© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL."
---

# John Showalter

Director.

## Details

- **Work:** Director
- **Also known as:** John F. Showalter

## Biography

John F. Showalter, also credited as John Showalter, is an American television director, editor and producer. His career began in the 1980s as an editor on series including *Lois & Clark: The New Adventures of Superman*.

He has directed episodes of *House* (2006), *Ghost Whisperer*, *Criminal Minds*, *Without a Trace*, *Supernatural* (26 episodes, 2010–2020), *The Mentalist*, *The 100* (2014–2017), *The Flash* (2015–2016), *Arrow*, *Supergirl* and *DC's Legends of Tomorrow*. Showalter has also worked as a producer and co-executive producer on *Supernatural* and as a producing director on *The Winchesters* (2022–2023).

*Sources: en.wikipedia.org, imdb.com.*

## On Fi1m (1)

- *House* (2004), Fi1m 78, Director — [page](https://film.one/tv/house-2004.md)

## Also known for

- *The Flash* (2014), Director
- *The 100* (2014), Director
- *Supernatural* (2005), Director
- *Arrow* (2012), Director
- *The Mentalist* (2008), Director
- *Supergirl* (2015), Director
- *Criminal Minds* (2005), Director
- *DC's Legends of Tomorrow* (2016), Director

---
© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL. Canonical: https://film.one/person/john-f-showalter