John Gallagher Jr.
Acting
43
Acting Credits
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...
Known For
Filmography
The Exorcist: Martyrs
2027
Eleven Days
2026
I.S.S.
2024
as Christian Campbell
Which Brings Me to You
2023
as Wallace
Abandoned
2022
as Alex
The Same Storm
2022
as Dale Salt
Gone in the Night
2022
as Max
Spring Awakening: Those You've Known
2022
as Self - Moritz
Art That Made Us
2022
as Self - Associate Prof. of Early Modern History
Underwater
2020
as Liam Smith
Come Play
2020
as Marty
Stars in the House
2020
as Self
Love Life
2020
as Luke Ducharme
The Best of Enemies
2019
as Lee Trombley
American Woman
2019
as Juan
Modern Love
2019
as Rob
The Miseducation of Cameron Post
2018
as Reverend Rick
Sadie
2018
as Cyrus
Peppermint
2018
as Detective Stan Carmichael
The Belko Experiment
2017
as Mike Milch
10 Cloverfield Lane
2016
as Emmett
Hush
2016
as The Man
Easy
2016
as Lucas
Westworld
2016
as Liam Dempsey
The Heart Machine
2014
as Cody
Short Term 12: Behind the Scenes
2014
as Self
Olive Kitteridge
2014
as Christopher Kitteridge
Short Term 12
2013
as Mason
Broadway Idiot
2013
as Self (archive footage)
The Newsroom
2012
as James Harper
Margaret
2011
as Darren
Jonah Hex
2010
as Second Lt. Evan
Whatever Works
2009
as Perry
The Good Student
2006
as Brett Mullen
Love Monkey
2006
as Paul
Pieces of April
2003
as Timmy Burns
The Flamingo Rising
2001
as Gary
Law & Order: Criminal Intent
2001
as Gary
Ed
2000
as Eric
Law & Order: Special Victims Unit
1999
as Jeff Lynwood
The West Wing
1999
as Tyler
Law & Order
1990
as Terrence Holt
Hallmark Hall of Fame
1951
as Gary