Born 1984 (age 41) · Wilmington, Delaware, USA
Appears in 44 titles

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.

Filmography

10 Cloverfield Lane
7.0
10 Cloverfield Lane
2016
as Emmett
Hush
6.7
Hush
2016
as The Man
Underwater
6.3
Underwater
2020
as Liam Smith
Peppermint
6.7
Peppermint
2018
as Detective Stan Carmichael
Whatever Works
7.1
Whatever Works
2009
as Perry
The Belko Experiment
6.2
The Belko Experiment
2016
as Mike Milch
Jonah Hex
5.0
Jonah Hex
2010
as Second Lt. Evan
Short Term 12
7.8
Short Term 12
2013
as Mason
The Miseducation of Cameron Post
6.9
The Miseducation of Cameron Post
2018
as Reverend Rick
Come Play
6.4
Come Play
2020
as Marty
The Best of Enemies
7.4
The Best of Enemies
2019
as Lee Trombley
I.S.S.
5.8
I.S.S.
2024
as Christian Campbell
Margaret
6.3
Margaret
2011
as Darren
Abandoned
5.8
Abandoned
2022
as Alex
Pieces of April
6.5
Pieces of April
2003
as Timmy Burns
Which Brings Me to You
6.2
Which Brings Me to You
2023
as Wallace
Gone in the Night
5.6
Gone in the Night
2022
as Max
The Good Student
4.7
The Good Student
2006
as Brett Mullen
The Heart Machine
5.4
The Heart Machine
2014
as Cody
Spring Awakening: Those You've Known
7.2
Spring Awakening: Those You've Known
2022
as Self - Moritz