Sebastian Theodore Kemble Croft is a British actor. He began his career as a child actor on stage before making his television debut as Young Ned Stark in Game of Thrones. He earned a BAFTA Children's Award nomination for his role as Atti in Horrible Histories: The Movie – Rotten Romans.
Heartstopper tells the story of Charlie Spring and Nick Nelson – two British schoolboys who attend the fictional Truham Grammar School – as they meet and fall in love. The series also follows the lives and relationships of their friends, many of whom are LGBTQ+.