John Karna

Person

John Karna

Acting 34 November 18, 1991

Houston, Texas, USA

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.

IMDb

Known for

Popular titles

Lady Bird

Lady Bird

7.2 2017 Movie
Law & Order: Special Victims Unit

Law & Order: Special Victims Unit

8.0 1999 TV Show
Modern Family

Modern Family

7.9 2009 TV Show
Chicago Fire

Chicago Fire

8.4 2012 TV Show
9-1-1: Lone Star

9-1-1: Lone Star

8.1 2020 TV Show
Scream: The TV Series

Scream: The TV Series

6.9 2015 TV Show
Premature

Premature

5.5 2014 Movie
Dirty John

Dirty John

6.8 2018 TV Show
Sugar Mountain

Sugar Mountain

5.6 2016 Movie
Valley of the Boom

Valley of the Boom

6.0 2019 TV Show
The Blazing World

The Blazing World

4.3 2021 Movie
The Dead Thing

The Dead Thing

5.6 2025 Movie

Photos

More stills of John Karna

Filmography

Movies and shows, newest first

  1. 2025
    Foibles

    Movie Jordan

  2. 2025
    Burt

    Movie Punk's Friend

  3. 2025
    The Dead Thing

    Movie Chris

  4. 2023
    Home Free

    Movie Richard

  5. 2021
    The Blazing World

    Movie Blake

  6. 2020
    9-1-1: Lone Star

    TV show Spence

  7. 2019
    Valley of the Boom

    TV show Marc Andreessen

  8. 2018
    Dirty John

    TV show Jimmy

  9. 2017
    Lady Bird

    Movie Greg Anrue

  10. 2016
    Sugar Mountain

    Movie Josh Miller

  11. 2015
    Scream: The TV Series

    TV show Noah Foster

  12. 2014
    Premature

    Movie Rob Crabbe

  13. 2012
    Chicago Fire

    TV show Alan

  14. 2012
    Bindlestiffs

    Movie John Woo

  15. 2009
    Modern Family

    TV show Alec

  16. 1999
    Law & Order: Special Victims Unit

    TV show Holden March

More credits
  1. —
    Masters of Doom

    TV show Tom Hall