Finn Wolfhard stars in the horror film 'It' as Richie Tozier, one of the members of the Losers' Club. Based on Stephen King's novel, the movie follows a group of kids who are terrorized by a shape-shifting entity that takes the form of Pennywise the Dancing Clown. Finn's performance as the witty and sarcastic Richie earned him critical acclaim and helped propel his career in the film industry.