John Gallagher Jr.
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.
Acting
Movie
10 Cloverfield Lane
as Emmett
2016
TV
Westworld
as Liam Dempsey
2016
Movie
Hush
as The Man
2016
TV
Law & Order: Special Victims Unit
as Jeff Lynwood
1999
Movie
Underwater
as Liam Smith
2020
Movie
Peppermint
as Detective Stan Carmichael
2018
Movie
Whatever Works
as Perry
2009
Movie
The Belko Experiment
as Mike Milch
2017
Movie
Jonah Hex
as Second Lt. Evan
2010
Movie
Short Term 12
as Mason
2013
Movie
The Miseducation of Cameron Post
as Reverend Rick
2018
Movie
Come Play
as Marty
2020
TV
The Newsroom
as James Harper
2012
TV
Law & Order
as Terrence Holt
1990
TV
The West Wing
as Tyler
1999
Movie
The Best of Enemies
as Lee Trombley
2019
Movie
I.S.S.
as Christian Campbell
2024
TV
Modern Love
as Rob
2019
TV
Law & Order: Criminal Intent
as Gary
2001
Movie
Margaret
as Darren
2011
TV
Olive Kitteridge
as Christopher Kitteridge
2014
Movie
Abandoned
as Alex
2022
Movie
Pieces of April
as Timmy Burns
2003
Movie
Which Brings Me to You
as Wallace
2023