Griffin Alexander Gluck is an American actor. In television, he is notable for his main roles as Charlie in Red Band Society, Mason Warner in Private Practice, and Danny Gannon in Back in the Game. He also co-starred as Sam Ecklund in both seasons of the Netflix mockumentary series American Vandal and plays Gabe in the Netflix series Locke & Key. In film, he portrayed Rafe Khatchadorian in the film Middle School: The Worst Years of My Life and Jack Dunkleman in the Netflix original movie Tall Girl. He also starred as a main character in the Hulu movie Big Time Adolescence.