Justine Mitchell
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.
Movie Appearances
Goldfish Memory
as Kate
2003
Conspiracy of Silence
2003
The Honeymooners
as Fiona
2004
The Stag
as Linda
2013
Maryland
as PC Eddowes
2022
A Cock and Bull Story
as Tony's Director
2005
Sleep with Me
as Catrin
2009
Song of Songs
as Laura
2005
Citizen Verdict
as Jessica Landers
2003
Imagine Me & You
as Laura
2006
National Theatre Live: King Lear
as Regan
2011
The Murder in Angel Lane
as Sister Anne
2013
Hamnet
as Joan
2025
National Theatre at Home: Summerfolk
as Maria Lvovna
2026
TV Appearances
Smother
as Elaine Lynch
2021
Amber
as Maeve Flynn-Dunne
2014
Pure
as Connie
2019
Waking the Dead
as Una Doyle
2001
The Crown
as Sarah McCorquodale
2016
Derry Girls
as Adult Janette
2018
Conversations with Friends
as Paula
2022
Cheat
as DI Bould
2019
Industry
as Rose Winter
2020
Black Doves
as Emma
2024
A Spy Among Friends
as Eleanor Philby
2022
Storyland
as Ruth's Mother (voice)
2009