Brett Kelly is a Canadian actor known for his work in film and television. He gained recognition for his role in the cult classic movie Bad Santa, where he played the character of the young boy, Thurman Merman. His performance in this film showcased his comedic talent and helped him build a career in the entertainment industry. In addition to Bad Santa, Brett Kelly has appeared in various other projects, including The Sandlot: Heading Home and The Christmas Chronicles. Over the years, he has developed a reputation for his versatility, taking on roles in both comedic and dramatic genres.