Justin Hurwitz is an American film composer and a television writer. He is best known for his longtime collaboration with director Damien Chazelle, scoring each of his films: Guy and Madeline on a Park Bench (2009), Whiplash (2014), La La Land (2016), First Man (2018), and Babylon (2022).

Damien Sayre Chazelle is an American filmmaker. He directed the psychological drama Whiplash (2014), the musical romantic drama La La Land (2016), the biographical drama First Man (2018), and the period film Babylon (2022).