Harry Shum Jr. (born April 28, 1982) is an American actor. Shum has played Mike Chang on the Fox television series Glee (2009–2015), Magnus Bane on the Freeform television series Shadowhunters (2016–2019), and Benson Kwan on the ABC television series Grey's Anatomy (2022–present). He was nominated for six Screen Actors Guild Awards for best ensemble performance in Crazy Rich... Wikipedia