Popsugar Entertainment Netflix The Umbrella Academy Season 3 Cast Netflix Unveils the New and Returning Cast For The Umbrella Academy Season 3 11 January 2021 by Kelsie Gibson View On One Page Photo 9 of 15 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 David Castañeda as Diego Castañeda will return as Diego in season three. Previous Next Start Slideshow NetflixThe Umbrella AcademyStreamingTV