Jonathan Sadowski

Jonathan Sadowski

More details

Known For

NCIS

NCIS

2003 • as Lieutenant Norski

House

House

2004 • as Dr. Mason, #10

The Good Doctor

The Good Doctor

2017 • as Chris McGowan

Chuck

Chuck

2007 • as Laszlo Mahnovski

9-1-1

9-1-1

2018 • as Ivan Van Peit

Entourage

Entourage

2004 • as Brett's Assistant

Filmography

2025

Cottonmouth
Cottonmouth
as Frank Ferrin
Movie - Released: 6/7/2025

2021

The Devil Below
The Devil Below
as Terry
Movie - Released: 3/5/2021
Sex/Life
Sex/Life
as Devon
TV - Released: 6/25/2021

2020

Alexa
Alexa
as John
Movie - Released: 11/13/2020

2018

9-1-1
9-1-1
as Ivan Van Peit
TV - Released: 1/3/2018

2017

Axis
Axis
as Hemingway (voice)
Movie - Released: 4/7/2017
The Good Doctor
The Good Doctor
as Chris McGowan
TV - Released: 9/25/2017

2016

Lethal Weapon
Lethal Weapon
as Andrew
TV - Released: 9/21/2016
DC's Legends of Tomorrow
DC's Legends of Tomorrow
as Benjamin 'Bugsy' Siegel
TV - Released: 1/21/2016

2014

All Relative
All Relative
as Harry
Movie - Released: 11/21/2014
Young & Hungry
Young & Hungry
as Josh Kaminski
TV - Released: 6/25/2014
Sirens
Sirens
as Josh Miller
TV - Released: 3/6/2014

2012

Chernobyl Diaries
Chernobyl Diaries
as Paul
Movie - Released: 5/24/2012

2010

$#*! My Dad Says
$#*! My Dad Says
as Henry Goodson
TV - Released: 9/23/2010

2009

Friday the 13th
Friday the 13th
as Wade
Movie - Released: 2/11/2009
The Goods: Live Hard, Sell Hard
The Goods: Live Hard, Sell Hard
as Blake
Movie - Released: 5/29/2009
Spring Breakdown
Spring Breakdown
as Doug
Movie - Released: 5/22/2009

2008

Terminator: The Sarah Connor Chronicles
Terminator: The Sarah Connor Chronicles
as Sayles
TV - Released: 1/13/2008

2007

Live Free or Die Hard
Live Free or Die Hard
as Trey
Movie - Released: 6/20/2007
Chuck
Chuck
as Laszlo Mahnovski
TV - Released: 9/24/2007

2006

She's the Man
She's the Man
as Paul
Movie - Released: 3/17/2006

2004

House
House
as Dr. Mason, #10
TV - Released: 11/16/2004
LAX
LAX
as Oleg Karponov
TV - Released: 9/13/2004
Entourage
Entourage
as Brett's Assistant
TV - Released: 7/18/2004

2003

NCIS
NCIS
as Lieutenant Norski
TV - Released: 9/23/2003

2002

American Dreams
American Dreams
as Jefferson
TV - Released: 9/29/2002

2001

The Division
The Division
as Bruce Kelso
TV - Released: 1/7/2001