John Gallagher Jr.
- Compleanno:
- 06/17/1984
- Luogo di nascita:
- Wilmington, Delaware, USA:
 | I.S.S. (2024) Christian Campbell |
 | Which Brings Me to You (2023) Wallace |
 | The Same Storm (2022) Dale Salt |
 | Gone in the Night (2022) Max |
 | Abandoned (2022) Alex |
 | Spring Awakening: Those You've Known (2022) Self - Moritz |
 | Come Play (2020) Marty |
 | Underwater (2020) Liam Smith |
 | American Woman (2019) Juan |
 | The Best of Enemies (2019) Lee Trombley |
 | Sadie (2018) Cyrus |
 | Peppermint (2018) Detective Stan Carmichael |
 | The Miseducation of Cameron Post (2018) Reverend Rick |
 | The Belko Experiment (2016) Mike Milch |
 | Hush (2016) The Man |
 | 10 Cloverfield Lane (2016) Emmett |
 | The Heart Machine (2014) Cody |
 | Short Term 12: Behind the Scenes (2014) Self |
 | Broadway Idiot (2013) Himself (archive footage) |
 | Short Term 12 (2013) Mason |
 | Margaret (2011) Darren Rodifer |
 | Jonah Hex (2010) Second Lt. Evan |
 | Whatever Works (2009) Perry |
 | Spring Awakening (2006) Moritz Stiefel |
 | The Good Student (2006) Brett Mullen |
 | Pieces of April (2003) Timmy Burns |
 | The Flamingo Rising (2001) Gary |