Siobhan Finneran: Biography, Netflix Series & More

Few British actresses move from outrageous comedy to gripping drama with the ease of Siobhan Finneran, from playing the brassy Janice in Benidorm to the protective Clare Cartwright in Happy Valley. This profile brings together her major roles, her upcoming Netflix series, and the limited public details about her personal life – all backed by verified sources.

Notable Role: Clare Cartwright in Happy Valley · Television Credits: Includes Downton Abbey, Benidorm, Protection, Death in Paradise · Recent Series: Protection (2024) · Upcoming Project: New Netflix series (title TBA)

Five key facts paint a clear picture of her career profile.

Was Siobhan Finneran in Downton Abbey?

Yes. Finneran played Sarah O’Brien in Downton Abbey, with the role running from 2010 to 2012.

The Downton Abbey credit remains a key early marker in a television career that later moved into very different territory.

Who is Siobhan Finneran’s partner?

Finneran keeps her personal life firmly out of the public eye. Searches for “Siobhan Finneran children” return no verified information, and she does not discuss family in interviews.

Finneran’s private life is therefore a deliberate contrast to her public performances.

What is the name of the new Netflix series starring Siobhan Finneran?

The title has not been officially announced. Cosmopolitan UK confirmed in late 2024 that Finneran is cast in an upcoming Netflix drama; the project remains under wraps, with no plot details or cast list released.

This marks her first major international streaming role, a significant move for an actress long associated with British terrestrial television.

Why does Siobhan Finneran wear a wig?

She has worn wigs for specific roles, most notably for Happy Valley. In interviews, Finneran revealed that she shaved her head for a part, requiring a wig for subsequent roles.

The wig is therefore a professional tool, tied to the physical demands of a role rather than a personal style choice.

What is Siobhan Finneran doing now?

She currently stars in the ITV drama Protection, broadcast in 2024. The six‑part series, about a witness protection officer, earned positive reviews. She also awaits the start of production for the Netflix series.

Finneran and Sarah Lancashire played sisters in Happy Valley and have been photographed together at events, but neither has confirmed a close personal friendship.

The result is a busy calendar split between a current ITV drama and a high-profile streaming debut.

Her career spans “over two decades of British television,” encompassing soap operas, prestige dramas and crime series.

“Finneran is a master of both comedy and tragedy,” Cosmopolitan wrote in a 2024 profile.

The picture that emerges is of a dedicated actress who deliberately separates her public craft from her private life. For viewers, the next chapter – her Netflix debut – will be the first time a global audience meets the performer who has already conquered every corner of UK television. For fans of British drama, the choice is simple: enjoy the performances, or keep waiting for a personal revelation that may never come.