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Biography
Harriet Marston Slater is an English actress. On television, she is known for her roles in the DC Universe series Pennyworth (2019–2022), the MGM+ period drama Belgravia: The Next Chapter (2024) and the Starz prequel Outlander: Blood of My Blood (2025). She was named a 2023 Bright Young Thing by Tatler.
Source: Wikipedia · CC BY-SA
Filmography8 titles

Outlander: Blood of My Blood
2025as Ellen MacKenzie
2025as Ellen MacKenzie

All Creatures Great & Small
2020as Brenda
2020as Brenda

Pennyworth
2019as Sandra Onslow
2019as Sandra Onslow

Belgravia: The Next Chapter
2024as Clara Trenchard
2024as Clara Trenchard

Fall 2: Deadpoint
2026as Jax Hunter
2026as Jax Hunter

Indiana Jones and the Dial of Destiny
2023as Fran
2023as Fran

Tarot
2024as Haley
2024as Haley

Emily and the Magical Journey
2020as Kayla
2020as Kayla