"This means the world, and it's coming from you, the people, the fans, thank you so much," he said.
Shum Jr.'s costar Katherine McNamara also took home a PCA. Shadowhunters: The Mortal Instruments has a very dedicated fanbase, but the series was still canceled by Freeform. The final episodes of the third season will begin in February 2019. Shum Jr. has played Magnus Bane on the show since it started in 2016. And the actor has something else to celebrate: he's going to be a dad. Shelby Rabara and Shum Jr. announced they are expecting their first child just a day before the PCAs.