Justine Mitchell

Acting • 29 Credits

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.

🎭 Acting Roles (29)

Ranked by Prestige & Popularity
The Crown

The Crown

2016 ⭐ 4.1
as Sarah McCorquodale
Hamnet

Hamnet

2025 ⭐ 3.9
as Joan
Imagine Me & You

Imagine Me & You

2006 ⭐ 3.8
as Laura
Black Doves

Black Doves

2024 ⭐ 3.5
as Emma
Derry Girls

Derry Girls

2018 ⭐ 4.1
as Adult Janette
Industry

Industry

2020 ⭐ 3.4
as Rose Winter
A Cock and Bull Story

A Cock and Bull Story

2005 ⭐ 3.1
as Tony's Director
The Stag

The Stag

2013 ⭐ 2.9
as Linda
How to Get to Heaven from Belfast

How to Get to Heaven from Belfast

2026 ⭐ 3.5
as Rossa
Conversations with Friends

Conversations with Friends

2022 ⭐ 3.5
as Paula
A Spy Among Friends

A Spy Among Friends

2022 ⭐ 3.2
as Eleanor Philby
Pure

Pure

2019 ⭐ 3.4
as Connie
Waking the Dead

Waking the Dead

2001 ⭐ 3.6
as Una Doyle
Cheat

Cheat

2019 ⭐ 3.1
as DI Bould
Goldfish Memory

Goldfish Memory

2003 ⭐ 2.9
as Kate
The Dry

The Dry

2022 ⭐ 3.1
as Áine Harrington
The Murder in Angel Lane

The Murder in Angel Lane

2013 ⭐ 3.5
as Sister Anne
Smother

Smother

2021 ⭐ 3.1
as Elaine Lynch
Conspiracy of Silence

Conspiracy of Silence

2003 ⭐ 2.4
as Assistant Floor Manager
Amber

Amber

2014 ⭐ 2.9
as Maeve Flynn-Dunne
Citizen Verdict

Citizen Verdict

2003 ⭐ 1.9
as Jessica Landers
Song of Songs

Song of Songs

2005 ⭐ 2.1
as Laura
The Honeymooners

The Honeymooners

2004 ⭐ 2.8
as Fiona
Sleep with Me

Sleep with Me

2009 ⭐ 1.5
as Catrin
Maryland

Maryland

2022 ⭐ 4.0
as PC Eddowes
These Sacred Vows

These Sacred Vows

2026 ⭐ 2.4
as Sandra
National Theatre Live: King Lear

National Theatre Live: King Lear

2011 ⭐ 3.5
as Regan
Storyland

Storyland

2009 ⭐ 3.5
as Ruth's Mother (voice)
National Theatre at Home: Summerfolk

National Theatre at Home: Summerfolk

2026
as Maria Lvovna