He talked about how his mother had done background work for the show, appearing alongside the late Chris Farley in a sketch. He also took the time to share memories about Christmas in New York, where he played the piano later.
Chalamet is gearing up for a number of high-profile projects, including Denis Villeneuve's upcoming sci-fi film Dune, based on the 1965 novel of the same name by Frank Herbert. The film also stars Zendaya, Oscaar Isaac, Jason Mamoa, and others.
The 24-year-old will also star in Wes Anderson’s next ensemble masterpiece The French Dispatch. Both films are set to release in 2021.
New episodes of SNL air Saturday night at 11:35 p.m. ET on NBC.