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
2021
RuPaul's Drag Race UK
2024
Celebrity Catchphrase
2023
Alice Through the Looking Glass
2016
The Fall
2013
Derry Girls
2018
The Great British Bake Off: An Extra Slice
2020
No Offence
2015
The Late Late Show
2026
Extraordinary
2023
Nine Bodies in a Mexican Morgue
2025
Maddie + Triggs
2024

FILMOGRAPHY

All
Movies
TV
Acting
37
Directing
1
Producing
1
2026
Madfabulous
as Blanche
2026
National Theatre Live: The Playboy of the Western World
as Widow Quin
2026
Celebrity Sabotage
as Self - Narrator (voice)
2026
The Dickie Show
2026
The Late Late Show
as Self - Guest
2025
Amandaland
as Della
2025
The Traitors Ireland
as Self - Host
2025
Nine Bodies in a Mexican Morgue
as Lisa Davies
2025
The Traitors Ireland Uncloaked
as Self - Guest
2024
Spud
as Spud
2024
RuPaul's Drag Race UK
as Self - Guest Judge
2024
Maddie + Triggs
as Narrator (voice)
2023
The Great Pottery Throw Down
as Self
2023
Extraordinary
as Mary
2023
Celebrity Catchphrase
2022
Brian Friel: Shy Man, Showman
as Self
2022
Holding
as as Bríd Riordan
2022
Redemption
as Jane Connolly
2021
The Electrical Life of Louis Wain
as Dr Cooke
2021
Happy Days
as Winnie
2021
The Great Pottery Throw Down
as Self - Host
2021
The Graham Norton Show
as Self
2021
Exploring Northern Ireland With Siobhán McSweeney
as Self - Presenter
2021
Tom Allen’s Quizness
as Self
2020
The Widow
as Eileen
2020
Scrubber
as Scrubber
2020
Nowhere Special
as Pam
2020
Anthony
as Luighsearch Kelly
2020
The Great British Bake Off: An Extra Slice
as Self
2019
Extra Ordinary
as Boring Noreen
2019
Porters
as Alice
2018
Derry Girls
as Sister Michael
2016
Alice Through the Looking Glass
as Witzender
2015
No Offence
as Ruth Cheetham
2013
The Fall
as Mary McCurdy
2013
London Irish
as Aoife
2006
The Wind That Shakes the Barley
as Julia (uncredited)