---
name: "Sophie O'Neill"
canonical: "https://film.one/person/sophie-oneill"
fi1m_id: "sophie-oneill"
imdb_id: "nm4287650"
tmdb_id: 1642320
roles: ["Costume designer"]
reviewed_on_fi1m: 3
average_fi1m_score: 76
average_over: 3
updated: "2026-10-03T01:54:50.642459+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."
---

# Sophie O'Neill

## Identity

Sophie O'Neill

- **Canonical:** https://film.one/person/sophie-oneill
- **Type:** Person
- **Fi1m ID:** sophie-oneill
- **IMDb ID:** nm4287650
- **TMDB ID:** 1642320
- **Same entity:** https://www.imdb.com/name/nm4287650/, https://www.themoviedb.org/person/1642320

Costume designer. Born in London.

## Details

- **Work:** Costume designer
- **Active:** 2017–present
- **Fi1m score by decade:** 2010s 74 (2), 2020s 82 (1)
- **Fi1m against the critics:** 76 to 73 across 3 titles
- **Score spread:** 1 at 80+, 2 at 60–79, 0 under 60
- **Genres:** Drama 3, Action 1, Comedy 1, Romance 1
- **Screen time:** 5 hours of reviewed films
- **Box office:** $24m across 1 films with figures
- **Elsewhere:** https://www.imdb.com/name/nm4287650/, https://www.themoviedb.org/person/1642320

## Streaming the US now

- **MUBI:** [*Ali & Ava*](https://film.one/film/ali-and-ava.md) (82)

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

## Biography

Sophie O'Neill is a British costume designer. She grew up in London and graduated from the London College of Fashion in 2012 with a first-class honours degree in Costume Design for Performance.

She began her career as a costume buyer, assistant costume designer and costume supervisor on feature films including *Jawbone* (2017), *Stan & Ollie* (2018) and *The Selfish Giant* (2013), the last marking her first collaboration with director Clio Barnard. She later worked as assistant costume designer to Michele Clapton on *Mamma Mia! Here We Go Again* (2018), *The Secret Garden* (2020) and *The King's Man* (2021).

O'Neill's first feature as lead costume designer was *Ali & Ava* (2021) for Clio Barnard. Subsequent credits include *The Outfit* (2022), *Sky Peals* (2023), *Hot Milk* (2025) and *The Thing with Feathers* (2025).

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

## On Fi1m (3)

- *Ali & Ava* (2022), Fi1m 82, Costume design, Costume Design — [page](https://film.one/film/ali-and-ava.md)
- *Stan & Ollie* (2018), Fi1m 77, Assistant Costume Designer — [page](https://film.one/film/stan-and-ollie.md)
- *Jawbone* (2017), Fi1m 70, Costume Supervisor — [page](https://film.one/film/jawbone.md)

## Complete filmography (10)

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

- *The Thing with Feathers* (2025), Costume Design
- *Hot Milk* (2025), Costume Designer
- *Ali & Ava* (2022), Costume Design — Fi1m 82, [page](https://film.one/film/ali-and-ava.md)
- *The Outfit* (2022), Costume Design
- *2003* (2021), Costume Designer
- *The Secret Garden* (2020), Assistant Costume Designer
- *Stan & Ollie* (2018), Assistant Costume Designer — Fi1m 77, [page](https://film.one/film/stan-and-ollie.md)
- *Mamma Mia! Here We Go Again* (2018), Assistant Costume Designer
- *Jawbone* (2017), Costume Supervisor — Fi1m 70, [page](https://film.one/film/jawbone.md)
- *Kill Command* (2016), Assistant Costume Designer

---
© 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/sophie-oneill