J.T. Rogers Creator, Executive Producer Ansel Elgort Jake Adelstein Actor, Executive Producer Rachel Keller Samantha Actor Ken Watanabe Hiroto Katagiri Actor, Executive Producer Ella Rumpf Polina Actor Sho Kasamatsu Sato Actor Hideaki Ito Miyamoto Actor Rinko Kikuchi Eimi Actor Tomohisa Yamashita Akira Actor John Lesher Executive Producer Alan Poul Executive Producer Emily Gerson Saines Executive Producer Destin Daniel Cretton Executive Producer Michael Mann Executive Producer Jake Adelstein Executive Producer Kayo Washio Executive Producer Brad Caleb Kane Executive Producer