
Acting
Born June 17, 1984 · Wilmington, Delaware, USA
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.

The Exorcist
2027

I.S.S.
2024

Which Brings Me to You
2023

The Same Storm
2022

Gone in the Night
2022

Abandoned
2022

Spring Awakening: Those You've Known
2022

Come Play
2020

Underwater
2020

American Woman
2019

The Best of Enemies
2019

Sadie
2018

Peppermint
2018

The Miseducation of Cameron Post
2018

The Belko Experiment
2016

Hush
2016

10 Cloverfield Lane
2016

The Heart Machine
2014
Short Term 12: Behind the Scenes
2014

Broadway Idiot
2013

Short Term 12
2013

Margaret
2011

Jonah Hex
2010

Whatever Works
2009

The Good Student
2006

Pieces of April
2003

The Flamingo Rising
2001