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Portrait of John Karna

John Karna

Acting

Biography

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.

Born: November 18, 1991

Place of Birth: Houston, Texas, USA

Known For

Poster for Chicago Fire
TV

Chicago Fire

8.4
Poster for 9-1-1: Lone Star
TV

9-1-1: Lone Star

8.0
Poster for Law & Order: Special Victims Unit
TV

Law & Order: Special Victims Unit

7.9
Poster for Modern Family
TV

Modern Family

7.9
Poster for Lady Bird
Movie

Lady Bird

7.3
Poster for Dirty John
TV

Dirty John

6.9
Poster for Scream: The TV Series
TV

Scream: The TV Series

6.9
Poster for Valley of the Boom
TV

Valley of the Boom

5.8
Poster for Sugar Mountain
Movie

Sugar Mountain

5.6
Poster for Premature
Movie

Premature

5.5

Filmography

2025
Foibles

as Jordan

2025
The Dead Thing

as Chris

2023
Home Free

as Richard

2021
The Blazing World

as Blake

2020
9-1-1: Lone Star

as Spence

2019
Valley of the Boom

as Marc Andreessen

2018
Dirty John

as Jimmy

2017
Lady Bird

as Greg Anrue

2016
Sugar Mountain

as Josh Miller

2015
Scream: The TV Series

as Noah Foster

2014
Premature

as Rob Crabbe

2012
Chicago Fire

as Alan

2012
Bindlestiffs

as John Woo

2009
Modern Family

as Alec

1999
Law & Order: Special Victims Unit

as Holden March