Justine Mitchell
Acting
Dublin, Ireland
29
Acting Credits
Biography
Justine Mitchell is an Irish actress. She is best known for playing Elaine Lynch in the Irish thriller series Smother (2021-2023) and for portraying Joan Hathaway in Chloé Zhao's 2025 period drama film Hamnet.
Known For
Filmography
National Theatre at Home: Summerfolk
2026
as Maria Lvovna
These Sacred Vows
2026
as Sandra
4.7
How to Get to Heaven from Belfast
2026
as Rossa
7.1
Hamnet
2025
as Joan
7.7
Black Doves
2024
as Emma
7.1
Maryland
2022
as PC Eddowes
8
Conversations with Friends
2022
as Paula
6.9
A Spy Among Friends
2022
as Eleanor Philby
6.5
The Dry
2022
as Áine Harrington
6.2
Smother
2021
as Elaine Lynch
6.3
Industry
2020
as Rose Winter
6.8
Pure
2019
as Connie
6.8
Cheat
2019
as DI Bould
6.3
Derry Girls
2018
as Adult Janette
8.1
The Crown
2016
as Sarah McCorquodale
8.2
Amber
2014
as Maeve Flynn-Dunne
5.7
The Stag
2013
as Linda
5.8
The Murder in Angel Lane
2013
as Sister Anne
6.9
National Theatre Live: King Lear
2011
as Regan
7
Sleep with Me
2009
as Catrin
3
Storyland
2009
as Ruth's Mother (voice)
7
Imagine Me & You
2006
as Laura
7.6
A Cock and Bull Story
2005
as Tony's Director
6.2
Song of Songs
2005
as Laura
4.3
The Honeymooners
2004
as Fiona
5.5
Goldfish Memory
2003
as Kate
5.7
Conspiracy of Silence
2003
as Assistant Floor Manager
4.8
Citizen Verdict
2003
as Jessica Landers
3.9
Waking the Dead
2001
as Una Doyle
7.2