In the trailer for the Bob Dylan biopic "A Complete Unknown," Timothee Chalamet sings and plays guitar as the singer-songwriter goes electric.

A new trailer for A Complete Unknown, James Mangold's Bob Dylan biopic starring Timothee Chalamet, has arrived.

The iconic songwriter bristles at being defined by success and audience expectations in the official trailer for James Mangold’s biopic set to hit theaters on Dec. 25.

Timothée Chalamet sings as Bob Dylan in the newest "A Complete Unknown" trailer, featuring the first look at Boyd Holbrook as Johnny Cash.

James Mangold directs Chalamet in the long-gestating “ A Complete Unknown ,” which captures folk singer Dylan’s rise from his late teen guitar-playing years to performing at the iconic Newport Folk Festival in 1965. “Walk the Line” helmer Mangold adapted the screenplay from Elijah Wald’s book “Dylan Goes Electric!,” which was released in 2015.

Watch the new A Complete Unknown trailer for this upcoming movie about musician Bob Dylan. A Complete Unknown stars Timothée Chalamet, Edward Norton, Elle Fanning, Monica Barbaro, Boyd Holbrook, Norbert Leo Butz,

Chalamet plays the folk singer at the time he was courting controversy by playing electric guitar. Elle Fanning and Edward Norton co-star Actor Timothee Chalamet does his best Bob Dylan impression in the official trailer for the coming biopic A Complete Unknown.