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...
Known For
Complete Filmography

I.S.S.
2024
as Christian Campbell
Tensions flare in the near future aboard the International Space Station as a conflict breaks out on Earth. U.S. and Russian astronauts receive orders...

Which Brings Me to You
2023
as Wallace
Two romantic burnouts, Jane and Will, are immediately drawn to each other at a mutual friend’s wedding. After a disastrous hookup in the coatroom, the...

The Same Storm
2022
as Dale Salt
Snapshots of the tumults of the COVID-19 pandemic.

Gone in the Night
2022
as Max
Upon arriving at a remote cabin in the redwoods, Kath and her boyfriend find a mysterious younger couple already there — the rental has apparently bee...

Abandoned
2022
as Alex
After a young couple moves into a remote farmhouse with their infant son, the woman's struggles with postpartum psychosis begin to intensify... as the...

Spring Awakening: Those You've Known
2022
as Self - Moritz
Fifteen years after the smash, Tony-winning Broadway run of "Spring Awakening," the original cast and creative team reunite for a spectacular, one-nig...

Come Play
2020
as Marty
A lonely young boy feels different from everyone else. Desperate for a friend, he seeks solace and refuge in his ever-present cell phone and tablet. W...

Underwater
2020
as Liam Smith
After an earthquake destroys their underwater station, six researchers must navigate two miles along the dangerous, unknown depths of the ocean floor ...

American Woman
2019
as Juan
A political activist helps take care of a group of America’s most wanted fugitives, including a well-known, recently radicalized heiress.

The Best of Enemies
2019
as Lee Trombley
Centers on the unlikely relationship between Ann Atwater, an outspoken civil rights activist, and C.P. Ellis, a local Ku Klux Klan leader who reluctan...

Sadie
2018
as Cyrus
While her father is away serving in the military, Sadie battles to preserve his place on the home front when her mother takes an interest in the newes...

Peppermint
2018
as Detective Stan Carmichael
A grieving mother transforms herself into a vigilante following the murders of her husband and daughter, eluding the authorities to deliver her own pe...

The Miseducation of Cameron Post
2018
as Reverend Rick
Pennsylvania, 1993. After getting caught with another girl, teenager Cameron Post is sent to a conversion therapy center run by the strict Dr. Lydia M...

The Belko Experiment
2016
as Mike Milch
A group of eighty American workers are locked in their office and ordered by an unknown voice to participate in a twisted game.

Hush
2016
as The Man
A deaf woman is stalked by a psychotic killer in her secluded home.

10 Cloverfield Lane
2016
as Emmett
After a catastrophic car crash, a young woman wakes up in a survivalist's underground bunker, where he claims to have saved her from an apocalyptic at...

The Heart Machine
2014
as Cody
A man begins to suspect that his long-distance girlfriend, whom he met online but has never met in person, has been living in the same city the whole ...
Short Term 12: Behind the Scenes
2014
as Self
A behind the scenes from film Short Term 12

Broadway Idiot
2013
as Himself (archive footage)
Broadway Idiot follows Green Day's Billie Joe Armstrong from a punk rock concert at Madison Square Garden to the opening of his musical American Idiot...

Short Term 12
2013
as Mason
Grace, a compassionate young supervisor at a foster care facility, helps at-risk teens. But when a new charge dredges up memories of her own troubled ...

Margaret
2011
as Darren Rodifer
A young woman witnesses a bus accident, and is caught up in the aftermath, where the question of whether or not it was intentional affects many people...

Jonah Hex
2010
as Second Lt. Evan
Gunslinger Jonah Hex is appointed by President Ulysses Grant to track down terrorist Quentin Turnbull, a former Confederate officer determined on unle...

Whatever Works
2009
as Perry
Whatever Works explores the relationship between a crotchety misanthrope, Boris and a naïve, impressionable young runaway from the south, Melody. When...

Spring Awakening
2006
as Moritz Stiefel
Spring Awakening is a Tony Award-winning rock musical that explores the journey from adolescence to adulthood. The musical is based on the 1891 German...

The Good Student
2006
as Brett Mullen
When Ally, a popular teen and local celebrity goes missing, her small suburban town erupts in panic.

Pieces of April
2003
as Timmy Burns
Quirky and rebellious April Burns lives with her boyfriend in a low-rent New York City apartment miles away from her emotionally distant family. But w...

The Flamingo Rising
2001
as Gary
When Hubert Lee decides to open the world's largest drive-in movie theater across the street from a funeral parlor, a feud erupts between Lee and Turn...