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.
Known For
TV
The Crown
Sarah McCorquodale
2016
Film
Hamnet
Joan
2025
TV
Waking the Dead
Una Doyle
2001
TV
Industry
Rose Winter
2020
TV
Derry Girls
Adult Janette
2018
TV
Black Doves
Emma
2024
TV
Cheat
DI Bould
2019
TV
Smother
Elaine Lynch
2021
TV
A Spy Among Friends
Eleanor Philby
2022
TV
Pure
Connie
2019
TV
Conversations with Friends
Paula
2022
TV
Storyland
Ruth's Mother (voice)
2009
TV
Amber
Maeve Flynn-Dunne
2014
Film
Imagine Me & You
Laura
2006
Film
The Stag
Linda
2013
TV
These Sacred Vows
Sandra
2026
Film
Maryland
PC Eddowes
2022
Film
A Cock and Bull Story
Tony's Director
2005
Film
The Murder in Angel Lane
Sister Anne
2013
Film
Sleep With Me
Catrin
2009
Filmography
2026TVThese Sacred Vowsas Sandra2025FilmHamnetas Joan2024TVBlack Dovesas Emma2022TVA Spy Among Friendsas Eleanor Philby2022FilmMarylandas PC Eddowes2022TVConversations with Friendsas Paula2021TVSmotheras Elaine Lynch2020TVIndustryas Rose Winter2019TVCheatas DI Bould2019TVPureas Connie2018TVDerry Girlsas Adult Janette2016TVThe Crownas Sarah McCorquodale2014TVAmberas Maeve Flynn-Dunne2013FilmThe Stagas Linda2013FilmThe Murder in Angel Laneas Sister Anne2011FilmNational Theatre Live: King Learas Regan2009FilmSleep With Meas Catrin2009TVStorylandas Ruth's Mother (voice)2006FilmImagine Me & Youas Laura2005FilmSong of Songsas Laura2005FilmA Cock and Bull Storyas Tony's Director2004FilmThe Honeymoonersas Fiona2003FilmCitizen Verdict2003FilmConspiracy of Silence2003FilmGoldfish Memoryas Kate2001TVWaking the Deadas Una Doyle