---
name: "John O'Mahony"
canonical: "https://film.one/person/john-omahony"
fi1m_id: "john-omahony"
imdb_id: "nm1372889"
tmdb_id: 3160662
roles: []
reviewed_on_fi1m: 3
average_fi1m_score: 61
average_over: 3
updated: "2026-10-07T15:30:41.965579+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."
---

# John O'Mahony

## Identity

John O'Mahony

- **Canonical:** https://film.one/person/john-omahony
- **Type:** Person
- **Fi1m ID:** john-omahony
- **IMDb ID:** nm1372889
- **TMDB ID:** 3160662
- **Same entity:** https://www.imdb.com/name/nm1372889/, https://www.themoviedb.org/person/3160662

Actor. Born in Hove, East Sussex, England, UK.

## Details

- **Active:** 2005–2011
- **Fi1m score by decade:** 2000s 69 (2), 2010s 45 (1)
- **Score spread:** 0 at 80+, 2 at 60–79, 1 under 60
- **Lead roles:** 0 of 1 acting credits billed first or second
- **Genres:** Comedy 2, Drama 2, Romance 1
- **Screen time:** 4 hours of reviewed films
- **Box office:** $135m across 1 films with figures
- **Elsewhere:** https://www.imdb.com/name/nm1372889/, https://www.themoviedb.org/person/3160662

## Streaming the US now

- **Pluto TV:** [*Dirty Filthy Love*](https://film.one/film/dirty-filthy-love.md) (74)

For United States; add `?region=XX` for another country.

## Biography

John O'Mahony is a British actor. He was born in Hove, East Sussex.

His screen credits include the role of Dr. Dunphy in the film *Dirty Filthy Love* (2004), Tourist in *Babel* (2006), Duty Medical Officer in *Bad Girls* (2003), Health Tester in *Mrs Brown's Boys* (2013), and Duke in *The Cleaner* (2024). He has also appeared in episodes of *Law & Order: UK* (2010) and *The Good Karma Hospital* (2017).

*Sources: imdb.com, comedy.co.uk.*

## On Fi1m (3)

- *Mrs Brown's Boys* (2011), Fi1m 45, as Health Tester — [page](https://film.one/tv/mrs-browns-boys.md)
- *Babel* (2006), Fi1m 64, as Tourist — [page](https://film.one/film/babel.md)
- *Dirty Filthy Love* (2005), Fi1m 74, as Dr. Dunphy — [page](https://film.one/film/dirty-filthy-love.md)

## Complete filmography (10)

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

- *Drop Dead* (2026), Actor
- *The Cleaner* (2021), series, as Duke
- *Me, Myself & Di* (2021), as Ken
- *Miracle Landing on the Hudson* (2014), as Chesley 'Sully' Sullenberger
- *Mrs Brown's Boys* (2011), series, as Health Tester — Fi1m 45, [page](https://film.one/tv/mrs-browns-boys.md)
- *Babel* (2006), as Tourist — Fi1m 64, [page](https://film.one/film/babel.md)
- *Dirty Filthy Love* (2005), as Dr. Dunphy — Fi1m 74, [page](https://film.one/film/dirty-filthy-love.md)
- *A Short Film About John Bolton* (2003), as John Bolton
- *tlc* (2002), series, as Father Kerrigan
- *Bad Girls* (1999), series, as Duty Medical Officer

---
© 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/john-omahony