He also had further leading roles in comedy films Big Time Adolescence (2019); Tall Girl (2019) and its 2022 sequel; and North Hollywood (2021).

[2][7] Gluck attended Bard College in New York state for one semester before dropping out, where he studied film and photography.

[8][9] Gluck started acting when he went with his older sister, Caroline, to a summer children's showcase of Guys and Dolls at the Palisades Playhouse.

[10] His first major role was as a three-year-old in a short film, Time Out, co-produced by his father and directed by Robbie Chafitz.

[17] Gluck had his first film lead role playing Rafe Khatchadorian in the 2016 movie Middle School: The Worst Years of My Life, based on the hit novel by James Patterson.