Popsugar Celebrity Netflix How Old Is The Irregulars Cast? The Irregulars: These Actors May Be Playing Teens, but Most Are in Their 20s 26 March 2021 by Stacey Nguyen View On One Page Photo 7 of 7 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 7 How Old Is Royce Pierreson, aka Dr. John Watson? 31 Previous Next Start Slideshow NetflixThe IrregularsStreamingCelebrity FactsTV