John Karna

Actor Nov 18 (age 34) Houston, Texas, USA 1999–2025 (26 year career)

6.5 avg rating

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.

Known For

Film

Lady Bird

Greg Anrue

Film

Scream: The TV Series

Noah Foster

Film

Premature

Rob Crabbe

Film

Sugar Mountain

Josh Miller

Film

Law & Order: Special Victims Unit

Holden March

Film

Chicago Fire

Alan

Film

Modern Family

Alec

Film

Valley of the Boom

Marc Andreessen

Filmography

Acting (18)

Movies (9)

The Dead Thing

2025

as Chris

5.4

Burt

2025

as Punk's Friend

Foibles

2025

as Jordan

Home Free

2023

as Richard

The Blazing World

as Blake

Lady Bird

as Greg Anrue

Sugar Mountain

as Josh Miller

Premature

as Rob Crabbe

Bindlestiffs

as John Woo

Television (9)

9-1-1: Lone Star

as Spence

Valley of the Boom

as Marc Andreessen

Dirty John

as Jimmy

Scream: The TV Series

2015

as Noah Foster

6.9

Scream: The TV Series

as Self

Chicago Fire

as Alan

Modern Family

as Alec

Law & Order: Special Victims Unit

1999

as Holden March

7.9

Masters of Doom

as Tom Hall