A Hollywood love letter to Bob Dylan, with all that implies, “A Complete Unknown” works well on its chosen, extremely glossy terms. Its craftsmanship is formidable. Then again, you don’t necessarily need quality to sell one of these things,

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.

Costume designer Arianne Phillips outfitted Timothée Chalamet as the legendary Bob Dylan for the film “A Complete Unknown,” which charts the musician’s meteoric rise in the early 1960s.