Edward Norton, who costars alongside Timothée Chalamet in the new film, 'A Complete Unknown', says Chalamet declined to do a video of his transformation into the legendary singer Bob Dylan for the fil

INTERVIEW: In Bob Dylan biopic, Edward Norton plays Pete Seeger. He talks why there's no one like Seeger and why his co-star is "a subset of one."

Timothée Chalamet and Edward Norton explain why they still don't know Bob Dylan after making the biopic "A Complete Unknown," in theaters Wednesday, and why that's a good thing.