As of July 2026, Nia Roberts is best known for Doctor Who and Hidden. Find every show and movie Nia Roberts has starred in — and where to watch them — below.
Nia Roberts

Nia Roberts

Actress Born 1972 Brecon, Brecknockshire, Wales, UK 6 TV Shows 8 Movies

Roberts' big break came in 1998, when she appeared in Solomon a Gaenor opposite Ioan Gruffudd. With dialogue in Welsh and Yiddish, the movie won Best Film at the 2000 Verona Film Festival and was nominated for Best Foreign Language Film at the 72nd Academy Awards.

Her subsequent Welsh-language credits include Fondue, Rhyw a Deinosors!, Newes of the Weeke, Y Palmant Aur, Glan Hafren, the long-running soap opera Pobol y Cwm, and S4C's gangster drama Y Pris. Roberts' English-language television credits include the comedy series Dr. Terrible's House of Horrible, the drama Border Café, and several single-episode appearances in prime-time British shows such as The Bill and Casualty.

Roberts has starred in two films directed by her husband, Marc Evans: Snow Cake (2006), a drama focused on the friendship between a high-functioning autistic woman and a man who is traumatized after a fatal car accident; and Patagonia (2009), a drama set in Y Wladfa, Argentina. In 2009, Roberts also starred as registrar Mary Finch in Crash!, a hospital drama commissioned by BBC Wales and produced by Tony Jordan.

In 2010, Roberts guest-starred in the two-part Doctor Who Series 5 episode The Hungry Earth/Cold Blood. More big-screen productions followed: She appeared in Hattie Dalton's Third Star (2010) and in Vertigo Films' The Facility (2012), an atmospheric, micro-budget horror film about volunteers fighting for their lives after a drug trial goes wrong.

In 2014, Roberts appeared in the fourth episode of Y Gwyll (Hinterland), a highly acclaimed noir detective series shot in both Welsh and English.

Nia Roberts has built a filmography of 14 credits over a career spanning from 1999 to 2023.

Nia Roberts's most notable role to date came in Doctor Who (2005), where she played Ambrose. She also appeared in Cashback (2007) as Woman at the Till. Most recently appeared in Third Star (2010) as Chloe.

Fans wanting to catch up on Nia Roberts's work can find exactly where her shows and movies are streaming below — and TV Butler Pro makes it effortless to keep track of them all. Just search the title, and Butler finds it instantly, tells you which service has it, and remembers what you've already watched.

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📺 Nia Roberts's TV Shows

Doctor Who
Ambrose
2005
Hidden
Elin Jones
2018
Washington
Martha Washington
2020
Red Rose
Shelley Royston
2022
The Light in the Hall
Eve Davies
2022
Steeltown Murders
Karina Bethell
2023

🎬 Nia Roberts's Movies

Cashback
Woman at the Till
2007
Under Milk Wood
Rosie Probert
2014
The Theory of Flight
Checkout Girl
1999
The Feast
Glenda
2021
The Facility
Katie Strong
2012
Third Star
Chloe
2010
Making Love
Costanza
2000
Solomon & Gaenor
Gaenor Rees
1999

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