Peter S. Brown (born September 19, 1986), better known by the stage name Peter Vack, is an American actor, writer, director and producer. He is known for portraying Jason Strider in the MTV comedy series I Just Want My Pants Back (2011–12), and Alex Merriweather in the Amazon Video comedy-drama series Mozart in the Jungle (2014–present).

Early life

Vack was born in the West Village, New York City, to Jane (née Spivack) and Ronald Brown, a movie producer and writer.[1] He has one younger sister who is an actress and writer.[1] He grew up in New York City. Vack is Jewish.[2] He attended Riverdale Country School and graduated from Professional Children's School. Vack graduated from the University of Southern California, where he studied Theater.[3]


Vack made his acting debut in the short film Dear Diary (1996), which won the Academy Award for Best Live Action Short Film.[4] Vack has guest-starred in single episodes of Hope & Faith (2004), Third Watch (2004), Law & Order: Special Victims Unit (2005), Ghost Whisperer (2009), and Cold Case (2010).

From 2011 until its cancellation the following year, he portrayed Jason Strider in the short-lived MTV television series I Just Want My Pants Back.[3] Since 2014, he has starred as Alex Merriweather in the Amazon Video comedy-drama series Mozart in the Jungle, alongside Malcolm McDowell, Lola Kirke and Bernadette Peters.[1]



Year Title Role Notes
1996 Dear Diary Peter Short film
1997 A Bedtime Story Son Short film
2005 A Perfect Fit Ernie
2006 The Treatment Ted
2006 Love/Death/Cobain Doug Mortimer Short film
2010 Consent Joshua
2011 A November Boyfriend Short film; also writer
2011 God Don't Make The Laws Joey Larch
2012 Commentary Pierce Phoenix Reagan
2012 Kiss of the Damned Adam
2013 CBGB Legs McNeil
2013 Send N/A Writer, director and producer
2014 Fort Tilden Benji
2014 I Believe in Unicorns Sterling
2014 Swelter Madsen
2015 6 Years Will
2015 The Intern ATF Creative Team
2015 Lace Crater Michael
2015 Ma Priest
2016 Slash Mike Holloway
2017 M.F.A. Luke In post-production
2017 Dara Ju Alex Mueller In post-production
2017 Assholes Adam Shapiro In post-production


Year Title Role Notes
2004 As the World Turns Casey Hughes Unknown episodes
2004 Hope & Faith Rodney Episode: "Madam President"
2004 Third Watch Danny's Partner Episode: "Family Ties: Part 1"
2005 Law & Order: Special Victims Unit Owen Episode: "Hooked"
2009 Ghost Whisperer Paul Jett Episode: "Do Over"
2010 Cold Case Lee Mavoides '89 Episode: "Almost Paradise"
2011–2012 I Just Want My Pants Back Jason Strider 12 episodes
2014 The Michael J. Fox Show Andreas Episode: "Couples"
2014–2015 Mozart in the Jungle Alex Merriweather 11 episodes
2015 The Blacklist Asher Sutton 3 episodes

Video games

Year Title Role Notes
2006 Bully Gary Smith Voice only

Awards and nominations

Year Award Category Work Result
2010 New York VisionFest Award Breakthrough Performance Consent Won
2014 SXSW Grand Jury Award Narrative Short Send Nominated


  1. ^ a b c "Peter Vack, in Focus". Interview Magazine. December 2014. 
  2. ^ "You Must Know: Peter Vack". Entertainment Tonight (Yahoo!). April 5, 2012. Retrieved January 22, 2013. 
  3. ^ a b "Peter Vack Has One Simple Request". Interview Magazine. February 2, 2012. 
  4. ^ "'Dear Diary': How It Got an Oscar Nod". Los Angeles Times. March 22, 1997. 

External links