The actor stars as a young Bob Dylan, who woos folk followers only to betray them later at the 1965 Newport Folk Festival.

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.

Our pop music critic writes about the James Mangold's Dylan biopic filmed in Cape May and elsewhere in New Jersey.