Brían F. O'Byrne: movies and TV shows
Brían F. O'Byrne has 53 credits in the archive: 31 films and 22 TV series, from 1951 to 2026. Highest rated: Hallmark Hall of Fame (8.8/10).
Career timeline
1951 – 2026 · busiest year: 2015 (5 credits)
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Full filmography
| Year | Title | Role | Type | Rating | Age then |
|---|---|---|---|---|---|
| 2026 | Prisoner | Harrison Dempsey | TV | 5.4 | 59 |
| 2025 | Dead of Winter | Tall Hunter | Film | 6.3 | 58 |
| 2025 | The Abandons | Walter Paxton | TV | 5.8 | 58 |
| 2024 | Conclave | O'Malley | Film | 7.2 | 57 |
| 2024 | Twig | Leon | Film | — | 57 |
| 2022 | The Wonder | John Flynn | Film | 6.6 | 55 |
| 2020 | Lincoln Rhyme: Hunt for the Bone Collector | The Bone Collector | TV | 7.5 | 53 |
| 2020 | My Salinger Year | Hugh | Film | 6.3 | 53 |
| 2020 | Sergio | Gil Loescher | Film | 6.6 | 53 |
| 2019 | Hatton Garden | Basil | TV | 5.9 | 52 |
| 2018 | Nightflyers | Auggie | TV | 5.7 | 51 |
| 2017 | Manhunt | Frank McAlpine | TV | 7.6 | 50 |
| 2017 | Little Boy Blue | Steve Jones | TV | 7.6 | 50 |
| 2015 | The Magicians | Mayakovsky | TV | 7.6 | 48 |
| 2015 | Aquarius | Ken Karn | TV | 6.5 | 48 |
| 2015 | The Bastard Executioner | Baron Ventris | TV | 5.7 | 48 |
| 2015 | Queen & Country | RSM Digby | Film | 6.1 | 48 |
| 2015 | Saints & Strangers | John Billington | TV | 6.4 | 48 |
| 2014 | The Last Ship | Sean Ramsey | TV | 6.9 | 47 |
| 2014 | Jimmy's Hall | Commander O'Keefe | Film | 6.7 | 47 |
| 2013 | Medeas | Ennis | Film | 5.7 | 46 |
| 2013 | Gilded Lilys | Edwin Lily | Film | 8.0 | 46 |
| 2011 | Mildred Pierce | Bert Pierce | TV | 7.0 | 44 |
| 2011 | Prime Suspect | Reg Duffy | TV | 6.3 | 44 |
| 2010 | Love/Hate | Inpector Mick Moynihan | TV | 7.5 | 43 |
| 2010 | Brooklyn's Finest | Det. Ronny Rosario | Film | 6.3 | 43 |
| 2009 | FlashForward | Aaron Stark | TV | 7.0 | 42 |
| 2009 | The International | The Consultant | Film | 6.3 | 42 |
| 2007 | No Reservations | Sean | Film | 6.7 | 40 |
| 2007 | Before the Devil Knows You're Dead | Bobby Lasorda | Film | 7.1 | 40 |
| 2007 | Bug | Dr. Sweet | Film | 6.1 | 40 |
| 2007 | Alexander Hamilton | Alexander Hamilton | Film | 5.6 | 40 |
| 2006 | Brotherhood | Colin | TV | 6.8 | 39 |
| 2005 | The New World | Lewes | Film | 6.5 | 38 |
| 2004 | Million Dollar Baby | Father Horvak | Film | 8.0 | 37 |
| 2004 | The Blackwater Lightship | Larry | Film | 6.1 | 37 |
| 2003 | Intermission | Mick | Film | 6.2 | 36 |
| 2003 | Easy | Mick McCabe | Film | 5.8 | 36 |
| 2001 | Bandits | Darill Miller | Film | 6.3 | 34 |
| 2001 | The Grey Zone | Interrogator | Film | 6.6 | 34 |
| 2001 | Mapmaker | Richie Markey | Film | 9.0 | 34 |
| 2001 | Disco Pigs | Gerry | Film | 5.7 | 34 |
| 2000 | An Everlasting Piece | George | Film | 5.9 | 33 |
| 1999 | Law & Order: Special Victims Unit | Liam Connors | TV | 8.0 | 32 |
| 1998 | Amongst Women | Luke | TV | 7.0 | 31 |
| 1997 | Oz | Padraic Connelly | TV | 8.0 | 30 |
| 1997 | The Last Bus Home | Jessop | Film | 3.0 | 30 |
| 1997 | The Fifth Province | Timmy | Film | 6.0 | 30 |
| 1993 | Avenue X | Sonny | Film | 8.0 | 26 |
| 1988 | American Experience | Alexander Hamilton | TV | 6.5 | 21 |
| 1951 | Hallmark Hall of Fame | Larry | TV | 8.8 | 15 |
| Seahorse | George | Film | — | — | |
| One Sweet Hour | Colum Byrne | Film | — | — |