---
name: "Mark O'Halloran"
canonical: "https://film.one/person/mark-ohalloran"
roles: ["Actor"]
born: "1 January 1901"
reviewed_on_fi1m: 4
average_fi1m_score: 80
average_as: "actor"
average_over: 3
updated: "2026-09-17T16:18:35.095610+00:00"
licence: "© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL."
---

# Mark O'Halloran

Actor. Born 1 January 1901 in Ennis, County Clare, Ireland.

## Details

- **Work:** Actor
- **Born:** 1 January 1901, Ennis, County Clare, Ireland
- **Active:** 2011–present
- **Also known as:** Mark Anthony O'Halloran
- **Titles on Fi1m:** 4: 3 acting, 1 writing
- **Average Fi1m score:** 80, as actor, over 3 titles
- **Fi1m score by decade:** 2010s 80 (3), 2020s 55 (1)
- **Fi1m against the critics:** 80 to 77 across 3 titles
- **Score spread:** 2 at 80+, 1 at 60–79, 0 under 60
- **Lead roles:** 0 of 1 acting credits billed first or second
- **Genres:** Drama 2, Action 1, Comedy 1, Crime 1, Thriller 1
- **Screen time:** 3 hours of reviewed films
- **Box office:** $23m across 2 films with figures
- **Elsewhere:** https://en.wikipedia.org/wiki/Mark_O%27Halloran_(writer), https://www.wikidata.org/wiki/Q6769072, https://www.imdb.com/name/nm0641177/, https://www.themoviedb.org/person/87908

## Coming up

- *Everybody Digs Bill Evans* (2026-09-24), Writer

## Biography

Mark O'Halloran is an Irish actor and writer from Ennis, County Clare. He has worked extensively in Irish theatre with companies including the Abbey Theatre and has appeared in numerous films and television series.

As an actor he is known for roles including Adam in *Adam & Paul* (2004), Craigy in the series *The Virtues* (2019), and Sir Francis Bacon in *Mary & George* (2024). His writing credits include the screenplays for *Adam & Paul* (2004), *Garage* (2007) and *Viva* (2015), as well as episodes of the series *Conversations with Friends* (2022).

O'Halloran's work has received awards including IFTA wins for Best Screenplay and Best TV Writer in 2007, and nominations for European Film Awards and IFTA acting and writing categories.

*Sources: imdb.com, bifa.film, en.wikipedia.org.*

## On Fi1m (4)

### Performed in (3) — the average rests on these

- *The Virtues* (2019), Fi1m 82, as Craigy — [page](https://film.one/tv/the-virtues.md)
- *Calvary* (2014), Fi1m 81, as Prison Officer — [page](https://film.one/film/calvary.md)
- *The Guard* (2011), Fi1m 78, as Garda No. 1 — [page](https://film.one/film/the-guard.md)

### Wrote (1)

- *Conversations with Friends* (2022), Fi1m 55, Writer — [page](https://film.one/tv/conversations-with-friends.md)

## Complete filmography (38)

Every credit, newest first. Titles without a page can be requested for review on the HTML page.

- *Everybody Digs Bill Evans* (2026), Writer
- *Bucking Fastard* (2026), Acting
- *Mix Tape* (2025), series, as Bill
- *Mary & George* (2024), series, as Sir Francis Bacon
- *The Miracle Club* (2023), as Father Dermot Byrne
- *Sunlight* (2023), as Cleggs
- *Masquerades of Research* (2022), Acting
- *It Is in Us All* (2022), as Father Mark
- *The Sparrow* (2022), Acting
- *An Encounter* (2022), Screenplay
- *Conversations with Friends* (2022), series, Writer — Fi1m 55, [page](https://film.one/tv/conversations-with-friends.md)
- *Hidden Assets* (2021), series, as Joe Galvin
- *Masquerades of Research: Part I* (2021), Acting
- *Rialto* (2020), Screenplay
- *Darklands* (2019), series, as Paddy
- *Brassic* (2019), series, as Francis
- *The Virtues* (2019), series, as Craigy — Fi1m 82, [page](https://film.one/tv/the-virtues.md)
- *Cellar Door* (2019), as Kassel
- *Mary* (2018), as Father Walsh
- *Dublin Oldschool* (2018), as Bates
- *Citizen Lane* (2018), Writer
- *Halal Daddy* (2017), Omar, Screenplay
- *History's Future* (2016), as MP
- *Viva* (2015), Ray, Screenplay
- *Calvary* (2014), as Prison Officer — Fi1m 81, [page](https://film.one/film/calvary.md)
- *Coward* (2012), as Batman
- *The Guard* (2011), as Garda No. 1 — Fi1m 78, [page](https://film.one/film/the-guard.md)
- *A Kiss for Jed Wood* (2011), as Ray
- *Two Point Five Billion* (2008), Acting
- *Garage* (2007), Screenplay
- *Prosperity* (2007), series, Writer, Creator
- *John Duffy's Brother* (2006), as John Duffy's brother
- *Away Home* (2005), Writer
- *Adam & Paul* (2004), Adam, Writer
- *Queen of the Damned* (2002), as Rent Boy
- *H3* (2001), as Bobby Sands
- *Angela Mooney Dies Again* (1997), as Hank
- *Law & Order* (1990), series, as Delgado — Fi1m 72, [page](https://film.one/tv/law-and-order.md)

## Gallery

- ![Mark O'Halloran 1 in 'Screenwriters' Panel | IADT x DIFF 2026'. Uploaded to YouTube by Dublin International Film Festival under YouTube CC BY 4.0 Unported licen](https://film.one/media/person/683275/gallery-93e2ad68e643.jpg) Mark O'Halloran 1 in 'Screenwriters' Panel | IADT x DIFF 2026'. Uploaded to YouTube by Dublin International Film Festival under YouTube CC BY 4.0 Unported licen — Dublin International Film Festival, CC BY 4.0, via Wikimedia Commons (https://upload.wikimedia.org/wikipedia/commons/1/1f/Mark_O%27Halloran_1_in_2026.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled)
- ![Mark O'Halloran in ADIFF 16 DAY 11 - Dublin Film Critics Awards, Surprise Film, Viva - Closing Gala, uploaded to Vimeo by Dublin Film Festival under CC-BY-3.0 U (2016)](https://film.one/media/person/683275/gallery-b0490236b4de.jpg) Mark O'Halloran in ADIFF 16 DAY 11 - Dublin Film Critics Awards, Surprise Film, Viva - Closing Gala, uploaded to Vimeo by Dublin Film Festival under CC-BY-3.0 U (2016) — Dublin Film Festival, CC BY 3.0, via Wikimedia Commons (https://upload.wikimedia.org/wikipedia/commons/c/ce/Mark_O%27Halloran_2016.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled)
- ![Mark O'Halloran 2 in 'Screenwriters' Panel | IADT x DIFF 2026'. Uploaded to YouTube by Dublin International Film Festival under YouTube CC BY 4.0 Unported licen](https://film.one/media/person/683275/gallery-9598ed17f393.jpg) Mark O'Halloran 2 in 'Screenwriters' Panel | IADT x DIFF 2026'. Uploaded to YouTube by Dublin International Film Festival under YouTube CC BY 4.0 Unported licen — Dublin International Film Festival, CC BY 4.0, via Wikimedia Commons (https://upload.wikimedia.org/wikipedia/commons/9/9d/Mark_O%27Halloran_2_in_2026.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled)
- ![Mark O'Halloran 3 in 'Screenwriters' Panel | IADT x DIFF 2026'. Uploaded to YouTube by Dublin International Film Festival under YouTube CC BY 4.0 Unported licen](https://film.one/media/person/683275/gallery-f8e6a2de626c.jpg) Mark O'Halloran 3 in 'Screenwriters' Panel | IADT x DIFF 2026'. Uploaded to YouTube by Dublin International Film Festival under YouTube CC BY 4.0 Unported licen — Dublin International Film Festival, CC BY 4.0, via Wikimedia Commons (https://upload.wikimedia.org/wikipedia/commons/6/67/Mark_O%27Halloran_3_in_2026.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled)
- ![Mark O'Halloran](https://film.one/media/person/683275/gallery-74c142b93cba.jpg) Mark O'Halloran — Image via TMDB
- ![Mark O'Halloran](https://film.one/media/person/683275/gallery-da6437c0ebbf.jpg) Mark O'Halloran — Harald Krichel, CC BY-SA 4.0, via Wikimedia Commons (https://thumb.wikimedia.org/wikipedia/commons/thumb/6/64/Mark_O%27Halloran_at_the_2026_Berlin_International_Film_Festival-3447.jpg/1280px-Mark_O%27Halloran_at_the_2026_Berlin_International_Film_Festival-3447.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail)

## Awards

### Other awards — 0 won, 1 nominated

- European Film Award for Best Screenwriter 2005: European Film Award for Best Screenwriter (nominated), for *Adam & Paul*

*From Wikidata, which records wins more completely than nominations.*

---
© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL. Canonical: https://film.one/person/mark-ohalloran