From musical festival violence to the pen pal bond between Johnny Cash and Bob Dylan, Mangold tells us what's real and what's not in "A Complete Unknown."

"Yeah, he was growing them," "A Complete Unknown" director James Mangold told Business Insider. "If you look earlier in the movie, there are some scenes where they aren't as long, but by the end, he had some full-on Nosferatu going on."

The filmmaker discusses the acclaimed biopic, recalling his chats with the musical legend, discussing everything from art to Mangold's classic crime drama Cop Land.

Some have even said that “Like a Rolling Stone” might even be about Dylan himself, and his uneasy relationship with fame (on “Idiot Wind”, on 1975’s Blood on the Tracks LP, he sings, “You’ll find out when you reach the top,

A Complete Unknown director James Mangold tells IndieWire about recording songs live, working with Timothee Chalament, more for his Bob Dylan biopic.

EXCLUSIVE: A Complete Unknown DP Phedon Papamichael explains how Timothée Chalamet blended live-singing and pre-recorded tracks for the film.

James Mangold is entering the awards race at the perfect time with A Complete Unknown. The biopic, which follows the early stages of Bob Dylan's career, has

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

That exchange is one of the myriad wonderful little moments that comprises “A Complete Unknown,” the spellbinding film in which the lovely singing Monica Barbaro portrays Joan and an almost unbelievably sensational Timothée Chalamet stars as the then-cultural-icon-in-the-making Bob.

The filmmaker first tackled the life of Johnny Cash in 2005's Walk the Line, which garnered tons of acclaim, including an Oscar win for Reese Witherspoon and a nomination for Joaquin Phoenix. Now, Mangold returns to Cash in A Complete Unknown, another musical biopic, this time centered on the rise of a young Bob Dylan ( Timothée Chalamet ).

He respects the reclusive legacy of Bob Dylan while also delivering on one heck of a show that will perhaps inspire a newfound interest in the folk genre and how Dylan came in “like a rolling stone” to shake the whole scene up by going electric.

The new Bob Dylan biopic, “A Complete Unknown,” hits movie theaters on Christmas Day. It’s already considered a leading contender to land Oscar nominations for Best Picture and Best Actor, with Timothée Chalamet winning raves for his performance as a young Bob Dylan.