Timothée Chalamet explains why he pushed for the musical performances to be recorded live, rather than be pre-recorded, in A Complete Unknown.

Timothée Chalamet’s lauded transformation into rock icon Bob Dylan in “A Complete Unknown” was so complete, it went all the way down to his cuticles. The “Dune 2” actor, 28, ended rampant speculation about whether the surprisingly long fingernails he has in the new biopic (out Dec. 25) are actually his own during an interview with Fandango.

My dad is pretty obsessed with Bob Dylan (as is true for so many millennials and Gen Xers), so when word came out that there was going to be a Bob Dylan biopic—titled A Complete Unknown—I knew immediately that I wanted to see it.