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John Gallagher Jr.

Acting Born Jun 17, 1984 Wilmington, Delaware, USA 24 credits

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.

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Known for

Law & Order: Special Victims Unit

as Jeff Lynwood

Law & Order

as Terrence Holt

The West Wing

as Tyler

Modern Love

as Rob
Film

Underwater

as Liam Smith

Full filmography

  • Law & Order: Special Victims Unit (1999) as Jeff Lynwood
  • Law & Order (1990) as Terrence Holt
  • Westworld (2016) as Liam Dempsey
  • Law & Order: Criminal Intent (2001) as Gary
  • The West Wing (1999) as Tyler
  • The Newsroom (2012) as James Harper
  • Ed (2000) as Eric
  • Stars in the House (2020) as Self
  • Modern Love (2019) as Rob
  • Love Life (2020) as Luke Ducharme
  • Easy (2016) as Lucas
  • Underwater (2020) as Liam Smith
  • 10 Cloverfield Lane (2016) as Emmett
  • Hush (2016) as The Man
  • Olive Kitteridge (2014) as Christopher Kitteridge
  • Peppermint (2018) as Detective Stan Carmichael
  • Hallmark Hall of Fame (1951) as Gary
  • Jonah Hex (2010) as Second Lt. Evan
  • The Belko Experiment (2017) as Mike Milch
  • I.S.S. (2024) as Christian Campbell
  • Art That Made Us (2022) as Self - Associate Prof. of Early Modern History
  • Love Monkey (2006) as Paul
  • Short Term 12 (2013) as Mason
  • Come Play (2020) as Marty