Harriet Marston Slater (born 28 November 1994) is an English actress. On television, she is known for her roles in the DC Universe series Pennyworth (2019–2022) and the MGM+ period drama Belgravia: The Next Chapter (2024). She was named a 2023 Bright Young Thing by Tatler Slater was born and raised in Leicester. Her extended family were active in amateur dramatics. She joined a local youth theatre group called the Little Theatre at the age of 6. She found acting a stress-reliever from anxiety. Slater has mentioned Lindsay Lohan and Jane Fonda as influences when young. She graduated with a Bachelor of Arts in Acting from the Guildford School of Acting in 2016. After graduating from drama school, Slater immediately began her career in regional theatre, making her professional debut in The Man with the Hammer at the Theatre Royal, Plymouth in 2016. This was followed by a role in the 2017 Royal Shakespeare Company production of Phil Porter's Vice Versa at the Swan Theatre. She also appeared in The Secret Seven at Storyhouse. Slater made her television debut when she was cast as Sandra Onslow in the DC Universe series and Batman prequel Pennyworth, which premiered on Epix in 2019. After playing a recurring character during the first season, she joined the main cast for the subsequent two seasons. She made her feature film debut in the 2020 indie fantasy film Emily and the Magical Journey. In 2023, she had a small role in the film Indiana Jones and the Dial of Destiny. In 2024, Slater starred as Clara Trenchard (née Dunn) in Helen Edmundson's period drama Belgravia: The Next Chapter for MGM+. In February 2024, it was announced that she had been cast as Ellen MacKenzie in the Outlander prequel series Outlander: Blood of My Blood. She appeared in the films Tarot (also known as Horrorscope) and True Haunting. 해리엇 슬레이터(1994년생, Leicester, Leicestershire, England, UK) 는 배우로, 대표작으로 폴 2: 데드포인트, 타로: 죽음의 카드, 포넛랜드와 잃어버린 마법이 있으며, 그 외에도 올 크리처스 그레이트 & 스몰, 아웃랜더 : 피로 이어진 운명, 인디아나 존스: 운명의 다이얼, 페니워스, 벨그레이비어: 더 넥스트 챕터, The Haunting in Wicker Park, From London with Love 등 다양한 작품에 출연했다. 특히 2026년에는 폴 2: 데드포인트에도 참여해서 활동중이다. (오뜨랑에서 실시간으로 번역된 한글 프로필도 확인할 수 있어요) 2026년 폴2: 데드포인트에서 Jax Hunter 역을 맡았다. 2025년 아웃랜더 : 피로 이어진 운명에서 Ellen MacKenzie 역을 맡았다. 2024년 타로: 죽음의 카드에서 Haley 역을 맡았다.