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Gwyneth Keyworth is a Welsh actress who has built a steady career across British television, theatre, and film. Born in Aberystwyth and trained at RADA, she is best known for roles in Misfits, Hidden, and Black Mirror. Many viewers also recognise her from a guest appearance in Game of Thrones, a fact that often surprises those who search for her name.
Keyworth has worked in both English and Welsh-language productions, earning a BAFTA Cymru nomination for her leading role in the crime drama Craith/Hidden. Her career spans more than a decade, with recent lead parts in the BBC drama Lost Boys & Fairies and the thriller Death Valley.
Despite regular screen work, Keyworth keeps her personal life largely private. Public records and social media offer little about her relationships, and her net worth remains undisclosed. This article answers the most common questions about her background, filmography, and the roles that brought her to wider attention.
Who Is Gwyneth Keyworth? (Background, Age, and Early Life)
- Age: 34 (born 15 September 1990)
- Known for: Misfits, Hidden, Black Mirror
- Game of Thrones role: Played Clea in season 5 (5 episodes)
- Latest project: Lead role as DS Janie Mallowan in Death Valley (2025)
Key Insights
- Gwyneth Keyworth is a bilingual Welsh-English actress who has worked in both languages on stage and screen.
- She was named a Screen International “Star of Tomorrow” in 2010 before training at RADA.
- Despite frequent online confusion, she did appear in Game of Thrones – as Clea, a Sand Snake associate in season 5.
- Her most acclaimed performance to date is Megan Ruddock in Craith/Hidden, which earned a Welsh BAFTA nomination.
- Keyworth has spoken openly about being dyspraxic as a child, which influenced her choice to pursue acting over sports.
- Her net worth is not publicly disclosed, and no reliable estimate exists in credible sources.
Snapshot Facts
| Field | Detail |
|---|---|
| Full Name | Gwyneth Anjuli Keyworth |
| Born | 15 September 1990, Aberystwyth, Wales |
| Nationality | Welsh |
| Occupation | Actress |
| Years Active | 2010–present |
| Notable Roles | Misfits, Hidden, Black Mirror, Game of Thrones |
| Awards | BAFTA Cymru nomination (Best Actress, 2018) |
| Relationship Status | Private – not publicly confirmed |
Keyworth grew up in Aberystwyth, attending youth theatre and a Welsh-language acting group. She was inspired by Julie Walters, Shirley Henderson, and Jane Horrocks. At 15 she joined the National Youth Theatre, and two years later performed an NHS sketch at the Soho Theatre. In 2010 she was named a Screen International “Star of Tomorrow” and went on to train at RADA, graduating in 2014. She has said in interviews that she was dyspraxic as a child and had to choose between swimming, hockey, and acting club – she chose acting.
Is Gwyneth Keyworth in Game of Thrones? (Clarifying Her Most Searched Role)
Yes – Gwyneth Keyworth appeared in Game of Thrones. She played Clea, a member of the Sand Snake entourage, in five episodes of season 5. The character is a guard and companion to the Sand Snakes in Dorne.
The question “Is Gwyneth Keyworth in Game of Thrones?” is one of the most searched queries about her. The confusion may stem from her Welsh background and the fact that she shares a surname with another actress, but her role is confirmed through casting records and episode credits.
Keyworth’s role as Clea is a minor but credited part. She appears in the episodes “The Wars to Come,” “The House of Black and White,” “High Sparrow,” “Sons of the Harpy,” and “The Gift.” No other Game of Thrones credit exists for her.
Gwyneth Keyworth’s Movies, TV Shows, and Theatre Work
Keyworth’s screen career began with a recurring role in Misfits (2010–2011), where she played Marnie alongside Iwan Rheon. She has since built a wide-ranging filmography that includes major UK and international series.
| Title | Role | Year | Notes |
|---|---|---|---|
| Misfits | Marnie | 2010–2011 | 2 episodes |
| Game of Thrones | Clea | 2015 | Season 5, 5 episodes |
| Black Mirror | Nicola | 2017 | Episode “Nosedive” |
| Craith / Hidden | Megan Ruddock | 2018 | Welsh crime drama; BAFTA Cymru nomination |
| Doctor Thorne | Unspecified | – | ITV series |
| The Great Outdoors | Unspecified | – | Key role |
| Defending the Guilty | Pupil barrister | 2019 | BBC Two comedy |
| The Crown | Guest role | 2019 | Netflix series |
| Alex Rider | Evelyn Anders | 2021 | 6 episodes |
| Lost Boys & Fairies | Becky | 2024 | BBC; Keyworth called it her “biggest honour” |
| Death Valley | DS Janie Mallowan | 2025 | Lead role, 6 episodes |
Beyond television, Keyworth has an active theatre career. She has performed at The Globe (As You Like It), Bristol Old Vic (The Life and Times of Fanny Hill), Park Theatre (Raising Marx), and the National Theatre (Summerfolk in 2024 alongside Timothy Spall).
Keyworth is a fluent Welsh speaker. Her role in Craith/Hidden was performed in both Welsh and English, reflecting her commitment to Welsh-language drama. This bilingual capability sets her apart among British actors working in crime and thriller genres.
As of 2025, Keyworth has not taken a leading role in a feature-length film. Her screen work remains focused on television series, miniseries, and short films such as Safe Word (2022).
Is Gwyneth Keyworth Married? (Relationship Status and Partner Details)
No public information confirms that Gwyneth Keyworth is married or has a partner. Her social media presence, primarily on Instagram, focuses on career updates, gratitude for roles, and behind-the-scenes content. She does not share images of a spouse or romantic partner.
Keyworth has not given interviews about her personal relationships. This aligns with her general approach to privacy. Any claims about a husband or boyfriend remain unverified by reliable sources.
TV Guide lists her full name as Gwyneth Anjuli Keyworth but provides no relationship details. Available public records do not indicate a current partner, engagement, or marriage.
What Is Gwyneth Keyworth’s Net Worth?
Gwyneth Keyworth’s net worth is not publicly disclosed. No reliable financial source, such as tax filings, official statements, or verified reports, provides a specific figure. Online estimates vary widely and should be treated as speculation.
Given her consistent work in television and theatre, it is reasonable to assume she earns a modest income typical of a working UK actor. However, without disclosure, any number would be uninformed guesswork.
Key Career Milestones: A Timeline
- 2009–2010 – Cast as Marnie in Misfits (season 4).
- 2010 – Named Screen International “Star of Tomorrow.”
- 2014 – Graduates from RADA.
- 2015 – Appears as Clea in Game of Thrones season 5.
- 2017 – Plays Nicola in Black Mirror episode “Nosedive.”
- 2018 – Stars as Megan Ruddock in Craith/Hidden; receives BAFTA Cymru Best Actress nomination.
- 2019 – Guest role in The Crown (Netflix) and lead in Defending the Guilty (BBC Two).
- 2024 – Performs in Summerfolk at the National Theatre and stars in Lost Boys & Fairies (BBC).
- 2025 – Leads the thriller Death Valley as DS Janie Mallowan.
What Is Confirmed and What Remains Unclear?
| Established Information | Information That Remains Unclear |
|---|---|
| She was born 15 September 1990 in Aberystwyth, Wales. | Net worth – no reliable public figure exists. |
| She is a bilingual Welsh-English actress trained at RADA. | Relationship status – no confirmed partner or spouse. |
| She played Clea in Game of Thrones (season 5). | Parent details – names and occupations are not publicly known. |
| She was nominated for a BAFTA Cymru Best Actress award in 2018. | Future projects beyond Death Valley – not yet announced. |
| She is dyspraxic, a fact she has shared publicly. | Any involvement in high-budget US productions – none confirmed. |
Why Do People Ask About Gwyneth Keyworth and Game of Thrones?
Search data shows that “Is Gwyneth Keyworth in Game of Thrones?” is among the most common queries about her. The reason likely relates to surname confusion: another actress with a similar name (Gemma Keyworth? Not confirmed) or the general association of Welsh actors with the show – many Welsh performers have appeared in Game of Thrones. However, Keyworth’s role as Clea is a matter of record.
Earlier online discussions may have spread uncertainty, but her casting is documented across multiple credible sources. The query reflects a genuine gap in knowledge that this article aims to clarify.
Sources and Quotes
In a 2019 interview with Essence Magazine, Keyworth reflected on her early career and the importance of Welsh-language roles: “I grew up speaking Welsh and performing in Welsh theatre. It is part of who I am as an actor.”
“I was dyspraxic as a child. I had to choose between swimming, hockey, and acting club. Acting won.”
– Gwyneth Keyworth, YouTube interview
Her official talent agency profile at Curtis Brown lists her full theatre credits and recent television work, confirming her continued engagement with stage roles.
What’s Next for Gwyneth Keyworth?
Keyworth continues to work actively in British and Welsh entertainment. With a lead role in Death Valley (2025) and a recent critically praised performance in Lost Boys & Fairies, she remains a rising presence in UK drama. For readers interested in other Welsh actors, see Erin Doherty – Biography, Awards, Roles and Personal Life and Claire Foy – Biography, Career, Awards and Personal Life.
Frequently Asked Questions
What is Gwyneth Keyworth’s most famous role?
She is widely recognised for playing Megan Ruddock in Craith/Hidden and Marnie in Misfits. Her role as Clea in Game of Thrones also draws significant attention.
Is Gwyneth Keyworth on social media?
Yes, she has an Instagram account (@gwyneth.keyworth) with over 8,600 followers, where she shares career updates and personal reflections.
Has Gwyneth Keyworth won any awards?
She was nominated for Best Actress at the 2018 BAFTA Cymru Awards and for Best Supporting Performer in a Play at the 2023 WhatsOnStage Awards.
Does Gwyneth Keyworth speak Welsh?
Yes, she is a bilingual Welsh-English actress and has performed in Welsh-language productions such as Craith/Hidden.
What is Gwyneth Keyworth’s age?
She was born on 15 September 1990, making her 34 years old as of 2025.
Amelia Foster is Markets & Economy Correspondent at MarketUK.uk, covering the UK economy, markets, inflation, interest rates, taxation and employment.