Timothée Chalamet and Monica Barbaro play Bob Dylan and Joan Baez in the new biopic "A Complete Unknown." Both actors worked with vocal coaches.

Here's what to know about how Chalamet became Dylan. Is Timothée Chalamet singing in 'A Complete Unknown'? Chalamet not only ...

All Bob Dylan vocals in the film were performed by Chalamet, and the same goes for Edward Norton’s Pete Seeger songs, Monica Barbaro’s portrayal of Joan Baez and Boyd Holbrook’s Johnny Cash.