Ewan Robert Mitchell, born on March 8, 1997, is an English actor who has rapidly ascended to international prominence through a series of compelling performances in major television epics and acclaimed films. He is best known for his roles in the medieval series The Last Kingdom, the BBC war drama World on Fire, and the HBO fantasy series House of the Dragon, with his work spanning from 2017 to the present day.

Mitchell’s early life and training remain relatively private, but his career began with a significant breakthrough when he was cast in the historical drama The Last Kingdom. He portrayed the character of Osferth, a young, devout monk and illegitimate son of King Alfred, from 2017 to 2022. His nuanced performance over multiple seasons, spanning the series’ run and its concluding film, Seven Kings Must Die, earned him a dedicated fan base and critical praise for bringing depth and vulnerability to the role. This debut established him as a rising talent in period drama.

Building on this momentum, Mitchell expanded his range by joining the ensemble cast of World on Fire, a BBC World War II drama created by Peter Bowker. He played the role of Tom Bennett, a young British soldier grappling with the horrors of war, across the series’ first two seasons from 2019 to 2023. This role showcased his ability to handle intense emotional material and further solidified his reputation as a versatile actor capable of carrying dramatic weight. During this period, he also made his feature film debut in Claire Denis’s science fiction film High Life (2018), starring alongside Robert Pattinson and Juliette Binoche, a project that placed him in a prestigious cinematic context.

Mitchell’s career reached a new zenith in 2022 when he was cast as Prince Aemond Targaryen in the HBO fantasy series House of the Dragon, a prequel to Game of Thrones. His portrayal of the scarred, vengeful, and calculating prince quickly became a fan favorite, with his performance in the show’s first season—particularly a climactic duel—garnering widespread acclaim for its intensity and subtlety. The role has made him a household name among genre enthusiasts and a central figure in one of television’s most-watched series. He continues to appear in the show, with his character’s arc evolving in subsequent seasons.

In 2023, Mitchell further diversified his filmography by appearing in Emerald Fennell’s psychological thriller Saltburn, playing the role of Michael Gavey alongside an ensemble cast including Barry Keoghan and Jacob Elordi. The film’s critical and commercial success introduced him to an even broader audience. As of 2025, Mitchell remains a sought-after actor in both television and film, with his career trajectory pointing toward continued prominence in major productions. He is currently based in London and continues to take on roles that challenge him, maintaining a selective approach to his projects.