There’s a small thrill in spotting an actress you first saw in a Welsh-language drama suddenly turning up in a global production. That’s the path Maeve Courtier-Lilley is on: born in Aberystwyth in 2001, she played Mabli in The Light in the Hall and is now credited in the 2026 mini-series Run Away. This piece sorts out her age, ethnicity, movies, TV shows, and the questions her public profiles still don’t answer.

Born: 31 March 2001 ·
Birthplace: Aberystwyth, Wales ·
Occupation: Actress ·
Known for: Run Away (2026), The Red King (2024), Gran Turismo (2023)

Quick snapshot

1Confirmed facts
2What’s unclear
3Timeline signal
4What’s next
  • 2026 — Dee Dee in the seven-episode mini-series Run Away (IMDb).

The database profiles behind this article — IMDb, Wikipedia, TV Insider — line up on the essentials and stay silent on the personal.

Detail Value
Full name Maeve Courtier-Lilley
Date of birth 31 March 2001
Birthplace Aberystwyth, Wales
Occupation Actress
Years active 2021–present (per Wikipedia)
Agent 42 Management & Production
Known works Gran Turismo (2023), The Red King (2024), Run Away (2026)
Mother Kristina Lilley, actress
Known series role Mabli Davies Owen in The Light in the Hall: Still Waters
Instagram followers Approximately 34,000

Who is Maeve Courtier-Lilley?

Maeve Courtier-Lilley is a Welsh actress whose casting has moved quickly from regional drama to international screens. She’s the performer audiences first met as Mabli in The Light in the Hall — the kind of role that makes you check who’s playing it — and her name now sits on the call sheet for the 2026 mini-series Run Away.

Her birth date is recorded as 31 March 2001 by TV Insider, which put her at 23 in the profile pages published during 2025 — young enough that her filmography is still being built in public rather than settled in retrospect.

Why this matters

Welsh-language television is a smaller stage than English-language drama, yet it keeps launching performers into international casts. Courtier-Lilley is the most direct recent example: a face from S4C’s The Light in the Hall now listed on a 2026 mini-series.

Her family background is where the public record thins out. Her mother is actress Kristina Lilley, an American-born performer of English and Scottish descent, per Wikipedia; her father’s name and background are not part of the profiles we reviewed. In nationality and upbringing she is Welsh, and ethnically her mother’s side adds English and Scottish roots to that mix.

Confirmed facts

  • Born 31 March 2001 in Aberystwyth, Wales (IMDb).
  • Plays Mabli in The Light in the Hall (Plex).
  • Mother is actress Kristina Lilley.

What’s unclear

  • Father’s name and background.
  • Exact ethnicity beyond Welsh and her mother’s English/Scottish roots.
  • Relationship status.
  • Whether she has siblings.

The implication: casting databases know exactly when and where she was born, but the personal biography is still mostly blank — which is typical for an actress this early in a career.

Maeve Courtier-Lilley is a Welsh actress whose career is still in early stages; her public profile remains sparse on personal details.

How old is Maeve Courtier-Lilley?

She was born on 31 March 2001, making her 23 as of 2025 (per TV Insider).

What is Maeve Courtier-Lilley’s ethnicity?

She is Welsh by nationality and upbringing. Her mother, Kristina Lilley, is American-born of English and Scottish descent; her father’s background is not reported.

What movies and TV shows has Maeve Courtier-Lilley been in?

Maeve Courtier-Lilley’s on-screen résumé is compact but climbing. Cosmopolitan UK lists The Red King (2024) and The Outpost (2021) among her earlier television credits, while The Light in the Hall brought her the widest audience to date. There’s also a small dating puzzle in the record: IMDb’s biographical notes for Courtier-Lilley point to The Outpost around 2018, which suggests either two different productions or a database discrepancy nobody has cleaned up yet.

Gran Turismo (2023) remains her biggest studio title so far — the film credit that gave her international visibility. For a career comparison with another British actress who moved through television into wider fame, see our profile of Anne-Marie Duff: Career from Shameless to Bad Sisters.

The pattern

Her credits jump between film, supernatural television, Welsh-language drama, and a 2026 mini-series. The through-line isn’t a genre — it’s range, delivered within three years.

Eight credits, one pattern: the roles get bigger as the productions get more visible.

Maeve Courtier-Lilley filmography

The table below lists her credited roles across film, television, and stage.

Year Title Role Type
2018 or 2021 The Outpost Not listed Television (year varies by source)
— Fortitude Not listed Television
2023 Gran Turismo Not listed Film
2024 The Red King Not listed Television
2024–2025 The Light in the Hall (Y Golau) Mabli / Mabli Davies Owen Television
2025 Champagne Problems Not listed Film
2026 Run Away Dee Dee TV mini-series, 7 episodes
— Old Town Not listed Stage production

Career timeline

  • 31 March 2001: Born in Aberystwyth, Wales (TV Insider).
  • 2023: Gran Turismo opens in theaters.
  • 2024: The Red King adds a television credit.
  • 2024–2025: Appears as Mabli in The Light in the Hall (TV Guide UK (UK listings and reviews)).
  • 2026: Run Away is scheduled as a seven-episode mini-series.
Bottom line: The pattern: three years, a handful of screen credits, and a steady move from supporting parts to a named role in a 2026 mini-series.

Who plays Mabli in The Light in the Hall?

Maeve Courtier-Lilley plays Mabli in The Light in the Hall, the Welsh-English series also known as Y Golau, which has run on S4C and BBC iPlayer. Plex credits her as Mabli, and TV Guide UK notes that the second season, subtitled Still Waters, returns three years after the first with her character billed as Mabli Davies Owen — a name at the center of the season’s mystery.

The cast around her includes Joanna Scanlan and Iwan Rheon, and the second season drew favorable notices, with performances and atmosphere singled out; the series’ Metacritic listing reflects that reception.

The catch

Most details about her family and early career still come from aggregator profiles, not interviews. Treat the online record as a casting sheet, not a biography — and the gaps as open questions, not scoops.

The second season resolves the central mystery involving Mabli and the community, closing the story arc that began in season 1. For a broader look at Welsh screen talent, see Jonny Owen: Welsh Actor, Producer, and Vicky McClure’s Husband. Why this matters: The Light in the Hall gave her a role with real emotional range that streaming audiences actually watched — and that performance is the one most likely to follow her when Run Away lands.

Two voices frame her current moment — one from Courtier-Lilley herself, one from a UK outlet that has followed the series.

“Disposables of my indisposables … on S4C and avail on BBC Iplayer tonight.”

Maeve Courtier-Lilley, via Instagram

“Slow-burning psychological thriller.”

TV Guide UK, on The Light in the Hall: Still Waters

Maeve Courtier-Lilley has stopped being “the actress from Aberystwyth” and started being the Welsh performer whose 2026 calendar includes a seven-episode mini-series and a growing international profile. For casting directors and audience researchers tracking British breakout talent, the choice is clear: log her name now, or chase her availability once Run Away drops.

Maeve Courtier-Lilley’s role as Mabli has given her visibility; the 2026 mini-series Run Away will likely expand her profile.

What are the reviews like for season 2 of The Light in the Hall?

Season 2 of The Light in the Hall (Y Golau) received positive reviews for its performances and atmosphere. The ending resolves the central mystery involving Mabli and the community.

Frequently asked questions

Is Maeve Courtier-Lilley related to Kristina Lilley?

Yes. Kristina Lilley, an American-born actress of English and Scottish descent, is her mother. The relationship is noted in community-edited biographies.

Did Maeve Courtier-Lilley appear in Game of Thrones?

No. Game of Thrones does not appear among her listed credits. The search association likely comes from her age and look rather than from any verified casting.

What is Maeve Courtier-Lilley’s height?

No reliable height is published on the profiles we reviewed, so we won’t guess. Databases such as IMDb and TV Insider omit it.

Where was Maeve Courtier-Lilley trained as an actress?

Her training isn’t documented in the sources we reviewed. Her credited career is usually traced from The Outpost and The Red King, with no drama-school pathway listed.

Is Maeve Courtier-Lilley active on Instagram?

Yes. Her Instagram account is the most reliable place to catch casting notes and behind-the-scenes posts, and it carries roughly 34,000 followers. She used it to tell fans when The Light in the Hall landed on S4C and BBC iPlayer.

Has Maeve Courtier-Lilley won any acting awards?

No major award wins are listed in the sources we reviewed. Her résumé at this stage is defined by credits rather than trophies.

What is Run Away about?

Run Away is a 2026 TV mini-series in which Courtier-Lilley plays Dee Dee. IMDb lists it as a seven-episode limited series; the logline and plot details remain tied up with the production’s rollout.

Together, these answers fill in the known gaps around Maeve Courtier-Lilley’s biography, leaving only her father’s identity and personal relationships as open questions.

Related reading: Jonny Owen: Welsh Actor, Producer, and Vicky McClure’s Husband · Anne-Marie Duff: Career from Shameless to Bad Sisters