Nicholas Joseph Braun (born May 1, 1988) is an American actor. He is known for his role as Greg Hirsch in the HBO series Succession (2018–2023), for which he received two SAG Awards for Outstanding Ensemble in a Drama Series, along with three nominations for the Primetime Emmy Award for Outstanding Supporting Actor in a Drama Series. He has also appeared in several films, including Sky High (2005), Princess Protection Program (2009), Red State (2011), Prom (2011), The Perks of Being a Wallflower(2012), The Watch (2012), Date and Switch (2014), How to Be Single (2016), Zola (2021) and Cat Person (2023).
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Known For

Three Bags Full: A Sheep Detective Movie
Tim Derry
2026

Splitsville
Matt
2025

Saturday Night
Andy Kaufman / Jim Henson
2024

Dream Scenario
Brian Berg
2023

Cat Person
Robert
2023

Velma
Black Knight / Geoff (voice) · (1 episode)
2023

Santa Inc.
Devin · (7 episodes)
2021

Zola
Derrek
2021

Birdgirl
Etan Delvay · (1 episode)
2021

Calls
Tim (voice) · (2 episodes)
2021

Calls
Tim · (9 episodes)
2021

The Big Ugly
Will
2020

Home Movie: The Princess Bride
The Albino · (2 episodes)
2020

Victor in Paradise
Victor
2020

Bottomless Brunch at Colman's
Self · (1 episode)
2020

Avenues
Peter
2019

The Year of Spectacular Men
Charlie Reed
2018

Succession
Greg Hirsch · (39 episodes)
2018

Small Talk
Teddy
2017

Good Kids
Andy Evans
2016

Get a Job
Charlie
2016

Whiskey Tango Foxtrot
Tall Brian
2016

How to Be Single
Josh
2016

Freaks of Nature
Dag Parker
2015

Jem and the Holograms
Brad (uncredited)
2015

The Late Show with Stephen Colbert
Self · (1 episode)
2015

Documentary Now!
Kevin Butterman · (2 episodes)
2015

The Stanford Prison Experiment
Karl Vandy
2015

Your Hands
Jack
2015

Poltergeist
Boyd
2015

In a Relationship
Matt
2015

The Tonight Show Starring Jimmy Fallon
Self · (1 episode)
2014

Date and Switch
Michael
2014

At Middleton
Justin 'Dingleberry'
2013

The Perks of Being a Wallflower
Ponytail Derek
2012

The Watch
Jason
2012
Friend Me
Rob · (8 episodes)
2012

Red State
Billy-Ray
2011

Prom
Lloyd Taylor
2011

Chalet Girl
Nigel
2011

The Legion of Extraordinary Dancers
Cole Waters · (1 episode)
2010

Three Rivers
Michael · (1 episode)
2009

10 Things I Hate About You
Cameron James · (20 episodes)
2009

Princess Protection Program
Ed
2009

Love at First Hiccup
Ernie
2009

The Secret Life of the American Teenager
Randy · (1 episode)
2008

Minutemen
Zeke Thompson
2008

Shark
Craig · (1 episode)
2006

Sky High
Zachary "Zach" Braun / Zack Attack
2005

Carry Me Home
Zeke
2004

The Entertainment System Is Down

Cold Case
Lenny Snow (1951) · (1 episode)
2003

Without a Trace
Zander Marrs · (1 episode)
2002

Walter and Henry
Henry
2001

Famous

CSI: Crime Scene Investigation
Neal Monroe · (1 episode)
2000

Law & Order: Special Victims Unit
Kid · (1 episode)
1999

The Simpsons
Cousin Greg (voice) · (1 episode)
1989

LIVE with Kelly and Mark
Self - Guest · (1 episode)
1988

Saturday Night Live
Self - Cameo (uncredited) · (1 episode)
1975

Poor Paul
Clyde · (21 episodes)