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 · Joan

8.2

The Crown

2016 · Series · Sarah McCorquodale

6.5

Smother

2021 · Series · Elaine Lynch

7.1

Black Doves

2024 · Series · Emma

8.1

Derry Girls

2018 · Series · Adult Janette

6.8

Industry

2020 · Series · Rose Winter

5.7

The Stag

2013 · Linda

7.0

Conversations with Friends

2022 · Series · Paula

6.5

A Spy Among Friends

2022 · Series · Eleanor Philby

7.0

How to Get to Heaven from Belfast

2026 · Series · Rossa

7.2

Waking the Dead

2001 · Series · Una Doyle

6.8

Pure

2019 · Series · Connie

All acting credits29

7.0

How to Get to Heaven from Belfast

2026 · Series · Rossa

4.7

These Sacred Vows

2026 · Series · Sandra

National Theatre at Home: Summerfolk

2026 · Maria Lvovna

7.7

Hamnet

2025 · Joan

7.1

Black Doves

2024 · Series · Emma

6.5

A Spy Among Friends

2022 · Series · Eleanor Philby

6.1

The Dry

2022 · Series · Áine Harrington

7.0

Conversations with Friends

2022 · Series · Paula

7.0

Maryland

2022 · PC Eddowes

6.5

Smother

2021 · Series · Elaine Lynch

6.8

Industry

2020 · Series · Rose Winter

6.3

Cheat

2019 · Series · DI Bould

6.8

Pure

2019 · Series · Connie

8.1

Derry Girls

2018 · Series · Adult Janette

8.2

The Crown

2016 · Series · Sarah McCorquodale

5.7

Amber

2014 · Series · Maeve Flynn-Dunne

6.9

The Murder in Angel Lane

2013 · Sister Anne

5.7

The Stag

2013 · Linda