★ 8.6 
Acting
John Forest
John Forest is best known for House, Chicago Fire, American Crime Story and For All Mankind.
Known for
Filmography
- 2019For All MankindJeremy Zielke
- 2017Ryan Hansen Solves Crimes on TelevisionAgent McConnell
- 2016American Crime StoryJim
- 2016InsecureJeffrey
- 2012Chicago FireSean DeGrimes
- 2005MediumJohn 'DJ' Dunham
- 2005Numb3rsLucas Cavani
- 2004HouseGeoff
- 2002Without a TraceCooper Wilson
- 1990Law & OrderMark
Frequently asked questions
What movies and shows has John Forest been in?
John Forest is best known for House, Chicago Fire, American Crime Story and For All Mankind.
Updated: October 27, 2026 ·