Chalamet not only sang all of Dylan's song for the film — he actually performed the songs live on camera, giving James Mangold, the movie's director, and others on the set "chills," Mangold told an audience at the WGA during a post-screening in Beverly Hills this month, according to Variety.

Question: Is there anything Timothée Chalamet can't do? Answer: Apparently not. The 28-year-old star has built an impressively cross-genre resumé as an actor, effortlessly bouncing between period dramas like Little Women,

In “A Complete Unknown,” Timothée Chalamet does his own singing and playing on guitar and harmonica — after five years of studying to master the music of Bob Dylan.

Timothée Chalamet continues to shine as one of Hollywood's brightest stars. His latest film, A Complete Unknown, is taking theaters by storm. With a stellar cast and a captivating story, this Bob Dylan biopic promises to be another major hit in the young actor's career.

Timothée Chalamet’s lauded transformation into rock icon Bob Dylan in “A Complete Unknown” was so complete, it went all the way down to his cuticles. The “Dune 2” actor, 28, ended rampant speculation about whether the surprisingly long fingernails he has in the new biopic (out Dec. 25) are actually his own during an interview with Fandango.