
Stacy Martin (born 20 March 1990) is a French actress. Her breakthrough role was playing Joe as a young woman in Lars von Trier's 2013 drama film Nymphomaniac. Other credits include The Childhood of a Leader (2015), All the Money in the World (2017), Amanda (2018), The Evening Hour (2020), Lovers (2020), and The Serpent (2021).
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Nymphomaniac: Vol. II
2013 · as Young Joe

The Brutalist
2024 · as Maggie Lee

Nymphomaniac: Vol. I
2013 · as Young Joe

The Testament of Ann Lee
2025 · as Jane Wardly

Sense and Sensibility
2026 · as Fanny Dashwood

The Night House
2021 · as Madelyne

All the Money in the World
2017 · as Nancy

Tale of Tales
2015 · as Young Dora

High-Rise
2015 · as Fay

Archive
2020 · as Jules Almore / J3 / J2 (voice)

Lovers
2021 · as Lisa

The Electrical Life of Louis Wain
2021 · as Felicie Wain

Vox Lux
2018 · as Eleanor "Ellie" Montgomery

Amanda
2018 · as Léna

Godard Mon Amour
2017 · as Anne Wiazemsky

Casanova, Last Love
2019 · as Marianne de Charpillon

Islands
2025 · as Anne

Hotel Fantasma
2025