Siobhán McSweeney
Known for
Siobhán McSweeney is a star in the plain sense of the word whose casting is itself part of a film's news cycle. The career has been built at studio scale rather than at the margins. The signature credit is 'Alice Through the Looking Glass', playing Witzender. Among the rest of the work, 'Derry Girls' carries the most weight. Recognition arrived some way into the filmography, not at the start.
Siobhán McSweeney
8 Movies
11 Series
Siobhán McSweeney is a star in the plain sense of the word whose casting is itself part of a film's news cycle. The career has been built at studio scale rather than at the margins. The signature credit is 'Alice Through the Looking Glass', playing Witzender. Among the rest of the work, 'Derry Girls' carries the most weight. Recognition arrived some way into the filmography, not at the start.
Movies
Plays Witzender
Alice Through the Looking Glass
2016
Plays Dr Cooke
The Electrical Life of Louis Wain
2021
Plays Pam
Nowhere Special
2020
Plays Boring Noreen
Extra Ordinary
2019
Plays Scrubber
Scrubber
2020
Plays Blanche
Madfabulous
2026
Plays Widow Quin
National Theatre Live: The Playboy of the Western World
2026
TV Shows
Plays Narrator (voice)
Maddie + Triggs
2024
Plays Sister Michael
Derry Girls
2018
Plays Della
Amandaland
2025
Plays Self - Narrator (voice)
Celebrity Sabotage
2026
Plays Jane Connolly
Redemption
2022
Plays Ruth Cheetham
No Offence
2015
Plays Mary McCurdy
The Fall
2013
Plays Lisa Davies
Nine Bodies in a Mexican Morgue
2025
Plays as Bríd Riordan
Holding
2022
Plays Alice
Porters
2017
Plays Aoife
London Irish
2013
Latest Trailers
Watch Trailer
Madfabulous
Full Filmography
Madfabulous
Blanche
2026
Film
National Theatre Live: The Playboy of the Western World
Widow Quin
2026
Film
Celebrity Sabotage
Self - Narrator (voice) · 6 episodes
2026–
TV
Nine Bodies in a Mexican Morgue
Lisa Davies · 5 episodes
2025–
TV
Amandaland
Della · 12 episodes
2025–
TV
Maddie + Triggs
Narrator (voice) · 52 episodes
2024–
TV
Redemption
Jane Connolly · 6 episodes
2022–
TV
Holding
as Bríd Riordan · 4 episodes
2022–
TV
The Electrical Life of Louis Wain
Dr Cooke
2021
Film
Photos
Frequently Asked Questions
How old is Siobhán McSweeney and where are they from?
Siobhán McSweeney is 46 years old, born on December 27, 1979 in County Cork, Ireland.
What are the most famous roles of Siobhán McSweeney?
Siobhán McSweeney is best known for roles in Alice Through the Looking Glass, The Wind That Shakes the Barley, The Electrical Life of Louis Wain.
How many movies has Siobhán McSweeney been in?
Over a 20-year career (since 2006), Siobhán McSweeney has appeared in 8 movies and 9 TV shows.
What was Siobhán McSweeney's first movie?
The career of Siobhán McSweeney began with The Wind That Shakes the Barley (2006).
What is Siobhán McSweeney's most recent movie or series?
Siobhán McSweeney's most recent release is Madfabulous, which premiered on June 5, 2026.
What TV shows has Siobhán McSweeney appeared in?
On television, Siobhán McSweeney has appeared in The Fall, Derry Girls, The Graham Norton Show, Extraordinary.
Siobhán McSweeney
1979-12-27 · County Cork, Ireland
Siobhán McSweeney (born 27 December 1979) is an Irish actress and presenter. She is best known for her role as Sister Michael in Derry Girls. McSweeney was born in County Cork, Ireland where she grew up in Aherla. Before acting, she earned a science degree at the University College Cork. In 2001, she moved to London when she secured a place at the Central School of Speech and Drama.