Thibault Charles Marie Septime de Montalembert (born 10 February 1962) is a French theatre, film and television actor. He is perhaps best known for his roles in the television series The Tunnel (2013–2018) and Call My Agent! (2015–present).
He was a resident of the Comédie-Française from 1994 to 1996.
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+.