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.
2026National Theatre at Home: SummerfolkMovieas Maria Lvovna2026How to Get to Heaven from BelfastTV showas Rossa · 2 episodes
2026These Sacred VowsTV showas Sandra · 6 episodes2025HamnetMovieas Joan2024Black DovesTV showas Emma · 2 episodes2022A Spy Among FriendsTV showas Eleanor Philby · 1 episodes
2022MarylandMovieas PC Eddowes2022Conversations with FriendsTV showas Paula · 5 episodes2022The DryTV showas Áine Harrington · 1 episodes2021SmotherTV showas Elaine Lynch · 18 episodes2020IndustryTV showas Rose Winter · 2 episodes2019CheatTV showas DI Bould · 4 episodes2019PureTV showas Connie · 2 episodes2018Derry GirlsTV showas Adult Janette · 1 episodes2016The CrownTV showas Sarah McCorquodale · 1 episodes2014AmberTV showas Maeve Flynn-Dunne · 4 episodes2013The StagMovieas Linda2013The Murder in Angel LaneMovieas Sister Anne
2011National Theatre Live: King LearMovieas Regan
2009Sleep with MeMovieas Catrin
2009StorylandTV showas Ruth's Mother (voice) · 1 episodes2006Imagine Me & YouMovieas Laura
2005Song of SongsMovieas Laura2005A Cock and Bull StoryMovieas Tony's Director
2004The HoneymoonersMovieas Fiona
2003Citizen VerdictMovieas Jessica Landers2003Conspiracy of SilenceMovieas Assistant Floor Manager2003Goldfish MemoryMovieas Kate2001Waking the DeadTV showas Una Doyle · 2 episodes