Cast & creator
John Karna
Best known for Law & Order: Special Victims Unit, Modern Family, Chicago Fire
John Karna (born November 18, 1991) is an American film and television actor. He is most well-known for his role as Noah on Scream: The TV Series.
Also known as: John Timothy Karna
Movies
9
film credits
Series
8
television credits
Career
17
1999–2025 · acting roles
Credit score
6.6
average across scored titles
Signature credits
Known for
Across film & television
Filmography (17)
Showing 17 of 17 credits
Series
★ 8.0
Law & Order: Special Victims Unit
Holden March
1999
Series
★ 7.9
Modern Family
Alec
2009
Series
★ 8.4
Chicago Fire
Alan
2012
Series
★ 8.1
9-1-1: Lone Star
Spence
2020
Series
★ 6.9
Scream: The TV Series
Noah Foster
2015
Series
★ 6.8
Dirty John
Jimmy
2018
Movie
★ 7.2
Lady Bird
Greg Anrue
2017
Series
★ 6.0
Valley of the Boom
Marc Andreessen
2019
Movie
★ 5.5
Premature
Rob Crabbe
2014
Movie
★ 5.6
Sugar Mountain
Josh Miller
2016
Movie
★ 10.0
Burt
Punk's Friend
2025
Movie
★ 4.3
The Blazing World
Blake
2021M
Series
Masters of Doom
Tom Hall
Movie
Home Free
Richard
2023
Movie
★ 5.6
The Dead Thing
Chris
2025
Movie
★ 3.9
Bindlestiffs
John Woo
2012
Movie
★ 5.0
Foibles
Jordan
2025