---
name: "Cathy Prior"
canonical: "https://film.one/person/cathy-prior"
fi1m_id: "cathy-prior"
tmdb_id: 1760497
roles: ["Costume designer"]
reviewed_on_fi1m: 2
average_fi1m_score: 77
average_over: 2
updated: "2026-10-02T23:06:29.320095+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."
---

# Cathy Prior

## Identity

Cathy Prior

- **Canonical:** https://film.one/person/cathy-prior
- **Type:** Person
- **Fi1m ID:** cathy-prior
- **TMDB ID:** 1760497
- **Same entity:** https://www.themoviedb.org/person/1760497

Costume designer.

## Details

- **Work:** Costume designer
- **Active:** 2015–present
- **Fi1m score by decade:** 2010s 77 (1), 2020s 77 (1)
- **Elsewhere:** https://www.themoviedb.org/person/1760497

## Streaming the US now

- **Netflix:** [*Toxic Town*](https://film.one/tv/toxic-town.md) (77)

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

## Biography

Cathy Prior is a costume designer working in high-end television and film. She designed the costumes for all three series of the award-winning comedy-drama *Derry Girls* (2018–2022).

Her other credits as costume designer include the Netflix series *Toxic Town* (2025), *Sexy Beast* (2024), *Breathtaking* (2024), *Stay Close* (2021), *Three Families* (2021) and *Bloodlands* (2021). Earlier in her career she worked as key costumer on *The Lost City of Z* (2017) and costume assistant on *The Survivalist* (2015).

*Sources: imdb.com, watch.plex.tv, looptalent.co.uk.*

## On Fi1m (2)

- *Toxic Town* (2025), Fi1m 77, Costume design, Costume Design — [page](https://film.one/tv/toxic-town.md)
- *The Survivalist* (2015), Fi1m 77, Costume Assistant — [page](https://film.one/film/the-survivalist.md)

## Complete filmography (8)

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

- *The Last Temptation of Becky* (2026), Costume Design
- *Toxic Town* (2025), series, Costume Design — Fi1m 77, [page](https://film.one/tv/toxic-town.md)
- *Three Families* (2021), series, Costume Design
- *Doing Money* (2019), Costume Design
- *Unquiet Graves* (2018), as Wardrobe Master
- *Grandpa's Great Escape* (2018), Costume Supervisor
- *The Lost City of Z* (2017), Key Costumer
- *The Survivalist* (2015), Costume Assistant — Fi1m 77, [page](https://film.one/film/the-survivalist.md)

---
© 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/cathy-prior