
Louisa Harland
Biography
Louisa Clare Harland is an Irish actress best known for her role as Orla McCool in the Channel 4 sitcom Derry Girls and the titular character of the Disney+ series Renegade Nell.
Brought up in Dundrum, South Dublin, Harland has two older sisters, Katie and Ellie. She was part of the Ann Kavanagh Youth Theatre in Rathfarnham. She trained at the Mountview Academy of Theatre Arts in London.
Upon graduation, Harland landed a recurring role as Kayleigh in season two of the RTÉ One series Love/Hate in 2011. She later appeared in films Rob Burke's Standby (2014) and Woody Harrelson's Lost in London (2017).
In 2017, it was announced Harland had been cast as Orla McCool, the eccentric cousin of Erin Quinn (Saoirse-Monica Jackson), in the Channel 4 sitcom Derry Girls. The first series aired in January 2018, receiving critical and commercial acclaim, and the second in March 2019. A final third series, as well as a special, aired in 2022.
Known For

Film
Hamnet
Rowan
2025

TV
Derry Girls
Orla McCool
2018

TV
Renegade Nell
Nell Jackson
2024

TV
Love/Hate
Kayleigh
2010

Film
Joy
Rachel
2024

TV
The Walsh Sisters
Anna Walsh
2025

Film
Lost in London
Stella
2017

Film
Boys from County Hell
Claire McCann
2021
Film
Custom of the Country

Film
BabyDolls
Barbara
2022

Film
Odd Socks
McBride (voice)
2025
Film
Sunday Tide
Violet
2018
Filmography
2025FilmHamnetas Rowan2025TVThe Walsh Sistersas Anna Walsh2025FilmOdd Socksas McBride (voice)2024FilmJoyas Rachel2024TVRenegade Nellas Nell Jackson2022FilmBabyDollsas Barbara2021FilmBoys from County Hellas Claire McCann2018FilmSunday Tideas Violet2018TVDerry Girlsas Orla McCool2017FilmLost in Londonas Stella2010TVLove/Hateas Kayleigh—FilmCustom of the Country