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John Howard Gallagher Jr., born in 1984, is an American actor and musician whose stage presence in rock musicals like "Spring Awakening" and "American Idiot" earned him critical acclaim, including a Tony Award. His versatility extends to television, where he has portrayed nuanced characters in series such as "The Newsroom" and the HBO miniseries "Olive Kitteridge," alongside a chilling turn as Emmett DeWitt in the taut thriller "10 Cloverfield Lane.
The roles that explain the career.
21 credits across 2 departments.
| Year | Title | Role | Type |
|---|---|---|---|
| 2027 | The Exorcist: Martyrs | Film | |
| 2024 | I.S.S. | Christian Campbell | Film |
| 2023 | Which Brings Me to You | Wallace | Film |
| 2022 | Spring Awakening: Those You've Known | Self - Moritz | Film |
| 2022 | The Same Storm | Dale Salt | Film |
| 2020 | Underwater | Liam Smith | Film |
| 2020 | Come Play | Marty | Film |
| 2018 | Peppermint | Detective Stan Carmichael | Film |
| 2018 | The Miseducation of Cameron Post | Reverend Rick | Film |
| 2017 | The Belko Experiment | Mike Milch | Film |
| 2016 | 10 Cloverfield Lane | Emmett | Film |
| 2016 | Hush | The Man | Film |
| 2014 | Olive Kitteridge | Christopher Kitteridge | TV |
| 2013 | Short Term 12 | Mason | Film |
| 2013 | Broadway Idiot | Self (archive footage) | Film |
| 2012 | The Newsroom | James Harper | TV |
| 2011 | Margaret | Darren | Film |
| 2010 | Jonah Hex | Second Lt. Evan | Film |
| 2009 | Whatever Works | Perry | Film |
| 2006 | The Good Student | Brett Mullen | Film |
| 2003 | Pieces of April | Timmy Burns | Film |
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