John Gallagher Jr.

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.

Known For

Law & Order: Special Victims Unit

Law & Order

Westworld

Law & Order: Criminal Intent

The West Wing

The Newsroom

Stars in the House

Ed

All Movies (30)

• Untitled The Exorcist Film2027
• I.S.S.2024 · as Christian Campbell
• Which Brings Me to You2023 · as Wallace
• The Same Storm2022 · as Dale Salt
• Gone in the Night2022 · as Max
• Abandoned2022 · as Alex
• Spring Awakening: Those You've Known2022 · as Self - Moritz
• Come Play2020 · as Marty
• Underwater2020 · as Liam Smith
• American Woman2019 · as Juan
• The Best of Enemies2019 · as Lee Trombley
• Sadie2018 · as Cyrus
• Peppermint2018 · as Detective Stan Carmichael
• The Miseducation of Cameron Post2018 · as Reverend Rick
• The Belko Experiment2017 · as Mike Milch
• Hush2016 · as The Man
• 10 Cloverfield Lane2016 · as Emmett
• The Heart Machine2014 · as Cody
• Short Term 12: Behind the Scenes2014 · as Self
• Broadway Idiot2013 · as Self (archive footage)
• Short Term 122013 · as Mason
• Margaret2011 · as Darren
• Jonah Hex2010 · as Second Lt. Evan
• Whatever Works2009 · as Perry
• The Good Student2006 · as Brett Mullen
• Pieces of April2003 · as Timmy Burns
• The Flamingo Rising2001 · as Gary
• Eleven Days—
• Swim Fishy— · as Abel
• 20/20—

All TV Shows (15)

• Art That Made Us2022 · as Self - Associate Prof. of Early Modern History
• Love Life2020 · as Luke Ducharme
• Stars in the House2020 · as Self
• Modern Love2019 · as Rob
• Westworld2016 · as Liam Dempsey
• Easy2016 · as Lucas
• Olive Kitteridge2014 · as Christopher Kitteridge
• The Newsroom2012 · as James Harper
• Love Monkey2006 · as Paul
• Law & Order: Criminal Intent2001 · as Gary
• Ed2000 · as Eric
• The West Wing1999 · as Tyler
• Law & Order: Special Victims Unit1999 · as Jeff Lynwood
• Law & Order1990 · as Terrence Holt
• Hallmark Hall of Fame1951 · as Gary