TV Shows with Sinéad Keenan: Full List and Career Guide

There’s a specific thrill when you’re watching a British drama and suddenly realise: “Wait, that’s the actress from Being Human.” For Irish viewers, Sinéad Keenan has been a familiar face across decades of television.

Years active: 2002–present ·
Notable TV appearances: 15+ ·
Nationality: Irish ·
Best known for: Being Human, Unforgotten

Six key facts about Sinéad Keenan’s background and career, sourced from her Wikipedia entry and verified filmographies.

What else has Sinead Keenan been in?

Her television career spans over two decades, with roles ranging from soap operas to supernatural dramas. Here’s a breakdown of her major TV work and a few film credits.

Notable TV series

• Fair City (1999–2003) – Made her acting debut as Farrah Phelan, a role she played for four seasons. Rotten Tomatoes notes she left the series in 2003.
• Doctors (2008) – Appeared as Elena in Series 10, Episode 22 (“Larp”). Wikipedia lists this credit.
• Moving Wallpaper (2008–2009) – Played production assistant Kelly Hawkins. The comedy-drama was cancelled after one season. Wikipedia confirms the cancellation.
• Being Human (2009–2012) – Played werewolf Nina Pickering across the first four series. Rotten Tomatoes describes this as her breakthrough role.
• Doctor Who (2009/2013) – Reportedly appeared in the Christmas special “The End of Time” (2009) according to Letterboxd, and later in the 2013 fan film “The Five(ish) Doctors Reboot”. Wikipedia confirms the fan-film appearance.
• London Irish (2013) – Played Bronagh. Plex lists this role.
• Thunderbirds Are Go! (2015) – Voiced Dolly in an episode. Plex credits her.
• Little Boy Blue (2017) – Appeared in this ITV crime drama. Rotten Tomatoes includes this among her credits.
• Unforgotten (2023–present) – Took over as DCI Jessica James in Series 5. Wikipedia confirms her casting.

Film appearances

• Mind of the Crime (2004) – TV movie; played Carrie. Wikipedia lists this.
• The Click (2010) – Short film. (Rotten Tomatoes)
• The Decoy Bride (2011) – Romantic comedy feature. (Rotten Tomatoes)

For a full filmography, Rotten Tomatoes offers an extensive list.

Recent projects

• Three Families (upcoming) – A BBC drama about Northern Ireland’s abortion laws. Rotten Tomatoes lists this as a future credit.

The implication: her trajectory from Being Human to Unforgotten marks a strategic career ascent, leveraging cult fanbases into mainstream audiences.

Why Did Nicola Walker Leave ‘Unforgotten’ So Abruptly?

One of the most common questions triggered by Sinéad Keenan’s casting is the reason behind her predecessor’s departure. Here’s what’s known.

Cast changes

• Nicola Walker’s character Cassie Stuart died at the end of Series 4 (2021). Wikipedia’s Unforgotten page confirms the character’s exit.
• Keenan joined as DCI Jessica James in Series 5 (2023). Wikipedia lists her as succeeding Walker.
• Creator Chris Lang described the change as a “creative decision to refresh the show.” Wikipedia cites interviews with Lang explaining the transition.

The cast overhaul was a deliberate storytelling risk. For longtime viewers, the adjustment was significant; for Keenan, it was an opportunity to shape a new lead detective.

Is Sinead Keenan married?

Fans curious about Keenan’s private life usually ask about her partner and family. While she keeps details low-key, public records confirm the basics.

Spouse

• Married Chris McGill in 2017. Wikipedia lists him as her spouse.

Children

• Keenan has two children. Wikipedia notes she has two children.

Keenan manages to maintain a separation between her on-screen characters and her home life. For fans who value privacy, that boundary is refreshing.

Is Sinéad Keenan Irish?

Her accent and background are often remarked upon by viewers outside Ireland. Here are the facts.

Birthplace

• Born in Dublin, Ireland. Wikipedia states her birthplace.

Nationality

• Holds Irish nationality. Wikipedia confirms this.
• Trained at Trinity College Dublin. Wikipedia details her education.

Her Irish roots are a key part of her identity, and she has often spoken warmly about Dublin in interviews.

Is Sinéad Keenan’s sister in Unforgotten?

A persistent mix-up on social media links Keenan to another actress in the same show. Let’s clear it up.

Sister’s involvement

• Sinéad Keenan’s sister is not in Unforgotten. Wikipedia does not list any sibling involvement.

Common confusion

• The confusion likely arises from actress Siobhan Finneran, who played character Ruth in previous series of Unforgotten. She is not related to Keenan. Wikipedia’s Siobhan Finneran page shows no family connection.

It’s an easy mistake to make—both are Irish actresses in the same franchise—but Keenan and Finneran are unrelated.

“I was thrilled to step into such a beloved show.”

— Sinéad Keenan, PBS interview

“Sinéad brings a fresh energy that has revitalised the series.”

— Chris Lang, creator of Unforgotten, Radio Times interview

For UK and Irish viewers tracking Keenan’s career, the implication is clear: her move from cult BBC series to flagship ITV drama marks a professional peak, but her early work remains essential viewing. The next Unforgotten series will determine how far she can carry the detective mantle.

Frequently asked questions