Alex Wolff is an American actor. He’s also a musician. His career began in 2005 when he starred in the film The Naked Brothers Band: The Movie. He reprised his role in the TV series version The Naked Brothers Band. Afterward, he starred in the TV film Mr. Troop Mom. He became more active in the 2010s. He appeared in the movies The Sitter, A Birder’s Guide to Everything, Coming Through the Rye, and My Big Fat Greek Wedding 2. In 2016, he portrayed Dzhokhar Tsarnaev in the movie Patriots Day. He later portrayed John ‘Derf’ Backderf in the movie My Friend Dahmer. He gained wider recognition when he starred as Spencer Gilpin in Jumanji: Welcome to the Jungle.