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 drama series The Newsroom, starred in the HBO mini-series Olive Kitteridge, and played Emmett DeWitt in 10 Cloverfield Lane.
Filmography
Cast Credits

I.S.S.
Character: Christian Campbell
MOVIE • 2024

Which Brings Me to You
Character: Wallace
MOVIE • 2023

The Same Storm
Character: Dale Salt
MOVIE • 2022

Gone in the Night
Character: Max
MOVIE • 2022

Abandoned
Character: Alex
MOVIE • 2022

Spring Awakening: Those You've Known
Character: Self - Moritz
MOVIE • 2022

Art That Made Us
Character: Self - Associate Prof. of Early Modern History
TV • 2022

Come Play
Character: Marty
MOVIE • 2020

Love Life
Character: Luke Ducharme
TV • 2020

Stars in the House
Character: Self
TV • 2020

Underwater
Character: Liam Smith
MOVIE • 2020

Modern Love
Character: Rob
TV • 2019

American Woman
Character: Juan
MOVIE • 2019

The Best of Enemies
Character: Lee Trombley
MOVIE • 2019

Sadie
Character: Cyrus
MOVIE • 2018

Peppermint
Character: Detective Stan Carmichael
MOVIE • 2018

The Miseducation of Cameron Post
Character: Reverend Rick
MOVIE • 2018

Westworld
Character: Liam Dempsey
TV • 2016

Easy
Character: Lucas
TV • 2016

The Belko Experiment
Character: Mike Milch
MOVIE • 2016