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.
MovieNational Theatre at Home: Summerfolk
2026
as Maria Lvovna
TVHow to Get to Heaven from Belfast
2026
as Rossa
TVThese Sacred Vows
2026
as Sandra
MovieHamnet
2025
as Joan
TVBlack Doves
2024
as Emma
TVA Spy Among Friends
2022
as Eleanor Philby
MovieMaryland
2022
as PC Eddowes
TVConversations with Friends
2022
as Paula
TVThe Dry
2022
as Áine Harrington
TVSmother
2021
as Elaine Lynch
TVIndustry
2020
as Rose Winter
TVCheat
2019
as DI Bould
TVPure
2019
as Connie
TVDerry Girls
2018
as Adult Janette
TVThe Crown
2016
as Sarah McCorquodale
TVAmber
2014
as Maeve Flynn-Dunne
MovieThe Stag
2013
as Linda
MovieThe Murder in Angel Lane
2013
as Sister Anne
MovieNational Theatre Live: King Lear
2011
as Regan
MovieSleep with Me
2009
as Catrin
TVStoryland
2009
as Ruth's Mother (voice)
MovieImagine Me & You
2006
as Laura
MovieSong of Songs
2005
as Laura
MovieA Cock and Bull Story
2005
as Tony's Director
MovieThe Honeymooners
2004
as Fiona
MovieCitizen Verdict
2003
as Jessica Landers
MovieConspiracy of Silence
2003
MovieGoldfish Memory
2003
as Kate
TVWaking the Dead
2001
as Una Doyle
