Justine Mitchell

Acting • Dublin, Ireland

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

7.7

Hamnet

2025

6.9

Conversations with Friends

2022

6.3

Smother

2021

6.3

Cheat

2019

5.8

The Stag

2013

5.7

Amber

2014

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Filmography

2026
How to Get to Heaven from BelfastTV
Rossa • 2 episodes
★ 7.1
2026
These Sacred VowsTV
Sandra • 6 episodes
★ 4.7
2026
National Theatre at Home: SummerfolkFilm
Maria Lvovna
2025
HamnetFilm
Joan
★ 7.7
2024
Black DovesTV
Emma • 2 episodes
★ 7.0
2022
Conversations with FriendsTV
Paula • 5 episodes
★ 6.9
2022
A Spy Among FriendsTV
Eleanor Philby • 1 episodes
★ 6.5
2022
The DryTV
Áine Harrington • 1 episodes
★ 6.2
2022
MarylandFilm
PC Eddowes
★ 8.0
2021
SmotherTV
Elaine Lynch • 18 episodes
★ 6.3
2020
IndustryTV
Rose Winter • 2 episodes
★ 6.9
2019
PureTV
Connie • 2 episodes
★ 6.8
2019
CheatTV
DI Bould • 4 episodes
★ 6.3
2018
Derry GirlsTV
Adult Janette • 1 episodes
★ 8.1
2016
The CrownTV
Sarah McCorquodale • 1 episodes
★ 8.2
2014
AmberTV
Maeve Flynn-Dunne • 4 episodes
★ 5.7
2013
The StagFilm
Linda
★ 5.8
2013
The Murder in Angel LaneFilm
Sister Anne
★ 6.9
2011
National Theatre Live: King LearFilm
Regan
★ 7.0
2009
StorylandTV
Ruth's Mother (voice) • 1 episodes
★ 7.0
2009
Sleep with MeFilm
Catrin
★ 3.0
2006
Imagine Me & YouFilm
Laura
★ 7.6
2005
A Cock and Bull StoryFilm
Tony's Director
★ 6.2
2005
Song of SongsFilm
Laura
★ 4.3
2004
The HoneymoonersFilm
Fiona
★ 5.5
2003
Goldfish MemoryFilm
Kate
★ 5.8
2003
Conspiracy of SilenceFilm
Assistant Floor Manager
★ 4.8
2003
Citizen VerdictFilm
Jessica Landers
★ 3.9
2001
Waking the DeadTV
Una Doyle • 2 episodes
★ 7.2