Frederick Christopher "Chris" Klein (born March 14, 1979) is an American movie actor. He is perhaps best known for playing Chris "Oz" Ostreicher in the 1999 film American Pie and its sequel American Pie 2.
Description above from the Wikipedia article Chris Klein (actor), licensed under CC-BY-SA, full list of contributors on Wikipedia.

Fear Street: Prom Queen
Dan Falconer
2025

Sweet Magnolias
Bill Townsend · (30 episodes)
2020

Intensive Care
2020

Benchwarmers 2: Breaking Balls
Ben McGrath
2019

The Competition
Calvin Chesney
2018

Game of Aces
Jackson Cove
2016

The Grinder
Benji · (1 episode)
2015

Damaged
Sam Luck
2015

The Flash
Orlin Dwyer / Cicada · (16 episodes)
2014

Authors Anonymous
Henry Obert
2014

American Reunion
Chris 'Oz' Ostreicher
2012

Wilfred
Drew · (15 episodes)
2011

Raising Hope
Brad · (1 episode)
2010

Caught in the Crossfire
Briggs
2010

Play Dead
Ronnie Reno
2009

Watch What Happens Live with Andy Cohen
Self - Guest · (1 episode)
2009

The Six Wives of Henry Lefay
Stevie
2009

Street Fighter: The Legend of Chun-Li
Charlie Nash
2009

Welcome to the Captain
Marty Tanner · (5 episodes)
2008

Hank and Mike
Conrad Hubriss
2008

New York City Serenade
Ray
2007

Day Zero
George Rifkin
2007

The Valley of Light
Noah
2007

The Good Life
Tad Tokas
2007

Lenexa, 1 Mile
Andy Lausier
2006

American Dreamz
William Williams
2006

Just Friends
Dusty Dinkleman
2005
The Showbiz Show with David Spade
(1 episode)
2005

The Long Weekend
Cooper
2005

American Dad!
Gary / Rick (voice) · (1 episode)
2005

The Late Late Show with Craig Ferguson
Self · (1 episode)
2005
The Tony Danza Show
Self · (1 episode)
2004

American Pie: Revealed
Self
2004

On Air with Ryan Seacrest
Self · (1 episode)
2004

The United States of Leland
Allen Harris
2003

Punk'd
Self · (1 episode)
2003

We Were Soldiers
2nd Lt. Jack Geoghegan
2002

Rollerball
Jonathan Cross
2002

American Pie 2
Chris 'Oz' Ostreicher
2001

Say It Isn't So
Gilbert Noble
2001
Men Are from Mars, Women Are from Venus
(1 episode)
2000

Here on Earth
Kelvin Morse
2000

American Pie
Chris 'Oz' Ostreicher
1999

WWE SmackDown
Self · (1 episode)
1999

WWE SmackDown
(1 episode)
1999

Election
Paul Metzler
1999
Bad Counselors

MADtv
Self - Special Guest · (1 episode)
1995

Late Night with Conan O'Brien
Self - Guest · (2 episodes)
1993

Hallmark Hall of Fame
Noah Locke · (1 episode)
1951