Popsugar Entertainment Katherine Langford Netflix's Cursed TV Series Cast Cursed: Everyone Who's Joining Katherine Langford in Netflix's Mythical New TV Series May 15, 2020 by Angela Law View On One Page Photo 3 of 9 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Gustaf Skarsgard as Merlin Gustaf Skarsgard, who has previously appeared on Vikings and Westworld, plays the legendary wizard Merlin on Cursed. Previous Next Start Slideshow NetflixKatherine LangfordTV