Charles Ross Heaton is an English actor and musician. He is known for starring as Jonathan Byers in the Netflix science fiction horror series Stranger Things (2016–present) and for his roles in feature films like As You Are (2016), Marrowbone (2017), The New Mutants (2020), No Future (2021), and The Souvenir Part II (2021). Prior to his acting career, Heaton played in a number of London-based bands.

The New Mutants is a 2020 American superhero film based on the Marvel Comics team of the same name. It is a spin-off film in the X-Men film series and the thirteenth and final installment overall before the series moved to Marvel Studios. The film was directed by Josh Boone from a screenplay he wrote with Knate Lee, and it stars Maisie Williams, Anya Taylor-Joy, Charlie Heaton, Alice Braga, Blu Hunt, Henry Zaga, and Adam Beach. In the film, a group of young mutants held in a secret facility fight to save themselves.