---
name: "Patrick O'Neill"
canonical: "https://film.one/person/patrick-oneill"
roles: ["Actor"]
reviewed_on_fi1m: 2
average_fi1m_score: 68
updated: "2026-09-16T21:20:24.484976+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."
---

# Patrick O'Neill

Actor.

## Details

- **Work:** Actor
- **Active:** 1989–1997

## Biography

Patrick O'Neill is an American actor and writer. He appeared as Denny in the 1989 film *Say Anything...*.

His other acting credits include roles in *Things Change* (1988), *Tapeheads* (1988), *Grosse Pointe Blank* (1997, as Pat O'Neill) and *Senseless* (1998). He later worked as a writer on films including *Knight and Day* (2010) and *Bang Bang* (2014), and created the television series *Dead Last* (2001).

*Sources: imdb.com.*

## On Fi1m (2)

- *Grosse Pointe Blank* (1997), Fi1m 55, as Nathaniel (as Pat O'Neill) — [page](https://film.one/film/grosse-pointe-blank.md)
- *Say Anything...* (1989), Fi1m 81, as Denny — [page](https://film.one/film/say-anything.md)

## Also known for

- *Knight and Day* (2010), Writer
- *Things Change* (1988), Haberdasher
- *Tapeheads* (1988), Student Journalist

---
© 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/patrick-oneill