John C. Reillyscreen performanceJohn C. Reilly plays Happy Jack in Gangs of New York.
1 linked movie guide in this sequence
FILM POSTER · Gangs of New YorkGangs of New York (2002)
Happy Jack
Film guide, starting point, and performer.
Happy Jack appears in Gangs of New York (2002), portrayed by John C. Reilly. This page focuses on that specific screen performance and the movie around it.
Film guide · 1 film · 2002 · 1 performerTHE MOVIE
Happy Jack on screen
One focused screen portrayal, with the performer and movie linked directly below.
Film guide · 1 film · 2002Main sequence runtime: 2h 48m
About the scores
Scores shown are MoviHero movie-guide scores. Missing scores stay blank, and tied top scores remain tied.
- 01MoviHero score86/100WORTH IT
THE PERFORMANCE
Who plays Happy Jack?
Meet the performer and open their full MoviHero profile. Coverage below refers to linked movie guides in this sequence.
John C. Reillyscreen performanceWHY THE CHARACTER WORKS
What defines Happy Jack
John C. Reilly’s performance in Gangs of New York is the center of this character page. With only one film in the current screen path, the useful comparison is between the character, the performer and the role that film asks them to play—not an invented larger timeline.
WHO TO EXPLORE NEXT
Characters connected on screen
Keep moving through the same films and screen world with a character who shares meaningful movie history.
Amsterdam Vallon
Happy Jack and Amsterdam Vallon both appear in Gangs of New York.
See Gangs of New YorkBill 'The Butcher' Cutting
Happy Jack and Bill 'The Butcher' Cutting both appear in Gangs of New York.
See Gangs of New YorkBoss Tweed
Happy Jack and Boss Tweed both appear in Gangs of New York.
See Gangs of New York