Popsugar Entertainment Netflix Netflix's You Season 3 Cast Netflix's You Is Packing in Some Notable Stars For Season 3 — See Who Is on Board 26 January 2021 by Kara Kia First Published: 16 October 2020 View On One Page Photo 12 of 14 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 12 Dylan Arnold as Theo Arnold plays Theo, a college student with a strained and complicated relationship with his stepfather. Previous Next Start Slideshow NetflixYouEntertainment NewsPenn BadgleyTV