Peter S. Brown (born September 19, 1986), better known by his stage name Peter Vack, is an American actor, writer, director and producer. He portrayed Jason Strider in the MTV comedy series I Just Want My Pants Back (2011–2012), and Alex Merriweather in the Amazon Video comedy-drama series Mozart in the Jungle (2014–2015). Vack also voiced antagonist Gary Smith in the Rockstar Games video game Bully. In 2017, he released his feature directorial debut, Assholes.

KNOWN FOR

Law & Order: Special Victims Unit
2005
The Blacklist
2015
Homeland
2018
Ghost Whisperer
2009
Third Watch
2004
Mozart in the Jungle
2014
Hope & Faith
2004
The Bold Type
2019
Anora
2024
The Intern
2015
Love Life
2020
The Michael J. Fox Show
2014

FILMOGRAPHY

All
Movies
TV
Acting
89
Directing
4
Writing
4
Producing
3
Camera
1
Crew
4
2026
An Evening Song (for Three Voices)
as Richard
2026
Grow
as Hollis · unreleased
2026
Crocodile Dose
as Hype House Party Host
2026
The Box Truck Reading
2026
Lucy Schulman
2026
Puddysticks
2025
The Code
as Jay Richard
2025
Somnium
as Hunter
2025
Messy
as Ivan the Creep Neighbor
2025
Vial
2025
Mouthfeel
as Christoph
2025
Stellan and the Stars
as Stellan Hall
2025
Fame and Other Four Letter Words
as GUCCI Founder
2025
Time of Flowers
as The Sun (voice)
2025
Take Me Home Tonight
2025
NIFLHEIM
as Fashion Blogger
2025
Castration Movie Anthology II. The Best of Both Worlds
as Brody
2025
Love New York
as Young Man
2025
This Is The Girl
2025
In the Glow of Darkness
as Angry Man
2024
The Feeling That the Time for Doing Something Has Passed
as Thomas
2024
Selling Rabbits
as Leftaris
2024
Who Do You Love
as Austin
2024
Monad
as Blurring Expert
2023
The Sweet East
as George Washington Boy
2022
Actors
as Peter
2022
Doe
2021
Sunday's Child
as Josh
2021
PVT Chat
as Jack
2020
Or (Someone) Else
2020
Love Life
as Jim
2019
You Are Here
as David
2019
Safe Space
as Patch
2019
Someone Great
as Matt
2019
Deep Tissue
as Sebastian
2019
Brittany Runs a Marathon
as Ryan
2019
The Bold Type
as Patrick Duchand
2018
Romance Analyst
as Max
2018
After Everything
as Young Cancer Survivor
2018
The Great Pretender
as Adrian
2018
Homeland
as Clint Prower
2017
The Price
as Alex Mueller
2017
Assholes
as Adam Shapiro
2017
M.F.A.
as Luke
2017
Whiskey Fist
as Ryan
2017
Everything Is Free
as Christian
2017
How to Be a Slut in America
2017
Child Psychology
as Peter
2017
Good People
2016
The Zeno Question
as "Adam"
2016
Slash
as Mike Holloway
2016
The Road
2015
I Believe in Unicorns
as Sterling
2015
6 Years
as Will
2015
Lace Crater
as Michael
2015
Surf Noir
as Miki
2015
Ma
as Priest
2015
The Intern
as ATF Creative Team
2015
shegetsey betsey
as Himself
2015
Lucy Now Dreams Herself
as Arthur
2015
The Blacklist
as Asher Sutton
2014
Fort Tilden
as Benji
2014
How to Make It to the Promised Land
as Rafi
2014
Swelter
as Madsen
2014
The Michael J. Fox Show
as Andreas
2014
Mozart in the Jungle
as Alex Merriweather
2013
CBGB
as Legs McNeil
2013
A Letter Home
as Johnny
2012
Kiss of the Damned
as Adam
2012
Commentary
2011
A November
as Boyfriend
2011
God Don't Make the Laws
as Joey Larch
2011
I Just Want My Pants Back
as Jason
2010
Consent
as Joshua
2010
The Adam & Eve Project
2009
Ghost Whisperer
as Paul Jett
2007
The Treatment
as Ted
2006
Love/Death/Cobain
2005
A Perfect Fit
as Ernie
2005
Law & Order: Special Victims Unit
as Owen
2004
Hope & Faith
as The Rod
2004
Third Watch
as Danny's Partner
1997
A Bedtime Story
as Son
1996
Dear Diary
as Peter
Replay
as Julian
DOLLS: PART ONE
as Patrick Patrovsky
Frogs
as Blake
Tuesday, New York
The Water Is Always Warm