"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."

James Mangold’s Dylan biopic is packed with a stellar supporting cast, including Edward Norton and Monica Barbaro – and they nearly steal the show.

Dylan, a Nobel Prize winning poet, songwriter and performer, also ranks among the most enigmatic. Mangold chronicles Dylan’s Greenwich Village roots, performing in basement coffee houses, recording, forming a romantic and professional partnership with folk singer activist Joan Baez.