John Gallagher Jr.
Biography
John Howard Gallagher Jr. (born June 17, 1984) is an American actor and musician known for originating the role of Moritz Stiefel in Duncan Sheik and Steven Sater's rock musical Spring Awakening, which earned him a Tony Award for Best Featured Actor in a Musical. He also played Johnny in Green Day's Broadway musical, American Idiot, Lee in the 2011 Broadway production of Jerusalem, and Edmund in the 2016 Broadway revival of Long Day's Journey Into Night. He portrayed Jim Harper in Aaron Sorkin's drama series The Newsroom, starred in the HBO mini-series Olive Kitteridge, and played Emmett DeWitt in 10 Cloverfield Lane.
Known For
TV
Law & Order: Special Victims Unit
Jeff Lynwood
1999
TV
Law & Order
Terrence Holt
1990
TV
Law & Order: Criminal Intent
Gary
2001
TV
The West Wing
Tyler
1999
TV
Westworld
Liam Dempsey
2016
TV
Love Life
Luke Ducharme
2020
TV
Ed
Eric
2000
TV
The Newsroom
James Harper
2012
TV
Stars in the House
Self
2020
TV
Modern Love
Rob
2019
TV
Easy
Lucas
2016
Film
10 Cloverfield Lane
Emmett
2016
Film
Underwater
Liam Smith
2020
TV
Love Monkey
Paul
2006
TV
Olive Kitteridge
Christopher Kitteridge
2014
Film
Peppermint
Detective Stan Carmichael
2018
Film
Hush
The Man
2016
Film
Jonah Hex
Second Lt. Evan
2010
Film
Whatever Works
Perry
2009
TV
Hallmark Hall of Fame
Gary
1951
Filmography
2027FilmThe Exorcist2024FilmI.S.S.as Christian Campbell2023FilmWhich Brings Me to Youas Wallace2022FilmThe Same Stormas Dale Salt2022FilmGone in the Nightas Max2022FilmAbandonedas Alex2022FilmSpring Awakening: Those You've Knownas Self - Moritz2022TVArt That Made Usas Self - Associate Prof. of Early Modern History2020FilmCome Playas Marty2020TVLove Lifeas Luke Ducharme2020TVStars in the Houseas Self2020FilmUnderwateras Liam Smith2019TVModern Loveas Rob2019FilmAmerican Womanas Juan2019FilmThe Best of Enemiesas Lee Trombley2018FilmSadieas Cyrus2018FilmPeppermintas Detective Stan Carmichael2018FilmThe Miseducation of Cameron Postas Reverend Rick2016TVWestworldas Liam Dempsey2016TVEasyas Lucas2016FilmThe Belko Experimentas Mike Milch2016FilmHushas The Man2016Film10 Cloverfield Laneas Emmett2014TVOlive Kitteridgeas Christopher Kitteridge2014FilmThe Heart Machineas Cody2014FilmShort Term 12: Behind the Scenesas Self2013FilmBroadway Idiotas Self (archive footage)2013FilmShort Term 12as Mason2012TVThe Newsroomas James Harper2011FilmMargaretas Darren2010FilmJonah Hexas Second Lt. Evan2009FilmWhatever Worksas Perry2006TVLove Monkeyas Paul2006FilmThe Good Studentas Brett Mullen2003FilmPieces of Aprilas Timmy Burns2001TVLaw & Order: Criminal Intentas Gary2001FilmThe Flamingo Risingas Gary2000TVEdas Eric1999TVThe West Wingas Tyler1999TVLaw & Order: Special Victims Unitas Jeff Lynwood1990TVLaw & Orderas Terrence Holt1951TVHallmark Hall of Fameas Gary—FilmEleven Days