Actors Who Play Teens on TV: How Old Are They Really? (PHOTOS) 7 of 23 Prev Autoplay Next Share Tweet May 30, 2013 at 03:57PM EDT by Laura Case Related: Wetpaint Entertainment, Gossip, TV Stars full size Credit: Danielle Levitt/FOX ©2011 Fox Broadcasting Co. Harry Shum Jr. as Mike Chang on Glee Mike’s approximate age on Glee: 18Harry’s age: 31