
John Gallagher Jr.
Acting
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.
Known For

1999
Law & Order: Special Victims Unit
1999 · tv

1990
Law & Order
1990 · tv

2001
Law & Order: Criminal Intent
2001 · tv

1999
The West Wing
1999 · tv

2016
Westworld
2016 · tv

2012
The Newsroom
2012 · tv

2020
Stars in the House
2020 · tv

2000
Ed
2000 · tv

2019
Modern Love
2019 · tv

2016
Easy
2016 · tv

2020
Love Life
2020 · tv

2016
10 Cloverfield Lane
2016 · movie

2020
Underwater
2020 · movie

2016
Hush
2016 · movie

2018
Peppermint
2018 · movie

2014
Olive Kitteridge
2014 · tv

1951
Hallmark Hall of Fame
1951 · tv

2017
The Belko Experiment
2017 · movie

2022
Abandoned
2022 · movie

2010
Jonah Hex
2010 · movie

2006
Love Monkey
2006 · tv

2018
The Miseducation of Cameron Post
2018 · movie

2013
Short Term 12
2013 · movie

2024
I.S.S.
2024 · movie

2011
Margaret
2011 · movie

2019
The Best of Enemies
2019 · movie

2020
Come Play
2020 · movie

2022
Art That Made Us
2022 · tv

2009
Whatever Works
2009 · movie

2003
Pieces of April
2003 · movie