Jack Griffo is an American actor who has appeared in numerous television shows and movies by Nickelodeon and Disney. He portrays Jason on Austin & Ally Spinoff.
Jack first made appearances in 2011 on shows like Kickin' It and Bucket & Skinner's Epic Adventures as an extra, then moved to other acting jobs. Griffo has made a guest appearance on Jessie in 2012, and now currently stars in the Nickelodeon series The Thundermans as Max Thunderman, the evil one of the twins (his sister is played by Kira Kosarin). Griffo also starred in Jinxed with Ciara Bravo a Nickelodeon film. He also made 3 guest appearances on See Dad Run as Xander McGinley, and Jessie as Brett Summers.