Siobhán McSweeney

Biography

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.

Known For

The Graham Norton Show

The Fall

Derry Girls

RuPaul's Drag Race UK

Alice Through the Looking Glass

Celebrity Catchphrase

Extraordinary

Maddie + Triggs

All Movies (13)

• Madfabulous2026 · as Blanche
• National Theatre Live: The Playboy of the Western World2026 · as Widow Quin
• Spud2024 · as Spud
• Brian Friel: Shy Man, Showman2022 · as Self
• The Electrical Life of Louis Wain2021 · as Dr Cooke
• Happy Days2021 · as Winnie
• Nowhere Special2020 · as Pam
• Scrubber2020 · as Scrubber
• Anthony2020 · as Luighsearch Kelly
• The Widow2020 · as Eileen
• Extra Ordinary2019 · as Boring Noreen
• Alice Through the Looking Glass2016 · as Witzender
• The Wind That Shakes the Barley2006 · as Julia (uncredited)

All TV Shows (21)

• Celebrity Sabotage2026 · as Self - Narrator (voice)
• The Traitors Ireland2025 · as Self - Host
• Nine Bodies in a Mexican Morgue2025 · as Lisa Davies
• Amandaland2025 · as Della
• Maddie + Triggs2024 · as Narrator (voice)
• Extraordinary2023 · as Mary
• Redemption2022 · as Jane Connolly
• Holding2022 · as as Bríd Riordan
• Exploring Northern Ireland With Siobhán McSweeney2021 · as Self - Presenter
• Tom Allen’s Quizness2021 · as Self
• RuPaul's Drag Race UK2019 · as Self - Guest Judge
• Celebrity Catchphrase2018
• Derry Girls2018 · as Sister Michael
• Porters2017 · as Alice
• The Great British Bake Off: An Extra Slice2017 · as Self
• The Great Pottery Throw Down2015 · as Self - Host
• The Great Pottery Throw Down2015 · as Self
• No Offence2015 · as Ruth Cheetham
• London Irish2013 · as Aoife
• The Fall2013 · as Mary McCurdy
• The Graham Norton Show2007 · as Self