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.
Spring Awakening: Those You've Known
2022
Underwater
2020
Hush
2016
10 Cloverfield Lane
2016
The Miseducation of Cameron Post
2018
Peppermint
2018
The Heart Machine
2014
Margaret
2011
Jonah Hex
2010
The Belko Experiment
2016
Pieces of April
2003
The Best of Enemies
2019
Which Brings Me to You
2023
I.S.S.
2024
The Good Student
2006
Whatever Works
2009
Gone in the Night
2022
Short Term 12
2013
Abandoned
2022
Come Play
2020
Broadway Idiot
2013
The Same Storm
2022
The Flamingo Rising
2001
Sadie
2018
American Woman
2019
Eleven Days
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