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Kit Sebastian Connor (born 8 March 2004) is an English actor. He gained recognition for starring as secondary school student Nick Nelson in the Netflix teen series Heartstopper (2022–2024) and will reprise the role in its continuation film. He won the inaugural Children's and Family Emmy Award for Outstanding Lead Performance for the role, and received another nomination for the third season.
Connor appeared in the films Get Santa (2014), Rocketman (2019), and Little Joe (2019), had a recurring role in the CBBC series Rocket's Island (2014–2015), and voice roles in the series His Dark Materials (2019–2022) and the film The Wild Robot (2024). He subsequently starred in a Broadway theatre adaptation of Romeo & Juliet in 2024 and in the film Warfare (2025).
Connor had a recurring role playing young Petya Rostov in the miniseries War & Peace and as Bob Sheehan in the miniseries SS-GB. He made his stage debut in Welcome Home, Captain Fox! at Donmar Warehouse. He had roles in the 2018 films The Mercy, The Guernsey Literary and Potato Peel Pie Society, Slaughterhouse Rulez, and the BBC One television film Grandpa's Great Escape. He starred as Alexander in the Old Vic Theatre production of Fanny & Alexander.
In 2019 Connor portrayed a teenaged Elton John in the musical film Rocketman, and played Joe Woodard in the drama Little Joe. In the same year, he began voicing the part of Pantalaimon in the BBC One and HBO fantasy series His Dark Materials. In April 2021, it was announced that Connor would star opposite Joe Locke in the Netflix series Heartstopper, an adaptation of the webcomic and graphic novel of the same name by Alice Oseman. He originally auditioned for the role of Charlie but ended up cast as the other lead, Nick Nelson.
In 2024 Connor was part of the voice cast of DreamWorks Animation's The Wild Robot, an adaptation of Peter Brown's novel of the same name. He made his Broadway theatre debut playing Romeo opposite Rachel Zegler's Juliet in a musical adaptation of William Shakespeare's Romeo & Juliet directed by Sam Gold with music by Jack Antonoff.
In 2025, Connor appeared in Warfare, an A24 war film written and directed by Alex Garland and Ray Mendoza. In April 2025 it was announced that Connor will star in a Heartstopper feature-length film that will serve as the series conclusion. He will also serve as an executive producer of the film. In May 2025 it was announced that Connor will star alongside Will Poulter and Manu Rios in the medieval zombie horror film Rapture. In October 2025 it was announced that Connor will star alongside Fred Hechinger and D'Pharaoh Woon-A-Tai in Andrew Haigh's A Long Winter. Connor will also next star in an upcoming film adaptation of the novel A Cuban Girl's Guide to Tea and Tomorrow by Laura Taylor Namey. He will lead the cast of the upcoming mystery-horror film One of Us.
Connor was named a 2023 Screen International Star of Tomorrow. In 2024 Connor was named to Forbes
Connor has been named in the top 20 of the UK Pride Power Lists for 2023, 2024 and 2025.
| Ready Player One | Reb kid | ||
| Slaughterhouse Rulez | Wootton | ||
| Rocketman | Young Elton John | ||
| Rapture | |||
| A Long Winter |
| Casualty | Barnaby Lee | Episode: "Away in a Manger" | |
| Chickens | Clem | Episode: "Episode Six" | |
| War & Peace | Young Petya Rostov | Recurring role; 3 episodes | |
| Xenoblade Chronicles 3 | Additional voices | Monolith Soft |
| 2022 | Oliver Twist | Noah Claypole | Audiobook | |
| Favorite Onstage Pair | ||||
| Favorite Breakthrough Performance (Male) | ||||
| Performance of the Year (Play) | ||||
| 2025 | ||||
| 2025 | Outstanding Lead Performance in a Broadway Play | Romeo + Juliet | ||
| 2024 | TV Performance | Heartstopper | ||
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