'Supergirl' Actor David Harewood Turns 51, Gets Birthday Greeting From Co-Star Chyler Leigh [PHOTOS]

David Harewood, who turned 51 on Thursday, Dec. 8, recently got a birthday shoutout from his "Supergirl" co-star Chyler Leigh. On Friday, Leigh greeted the birthday boy on Instagram with a photo of him lying on the floor of show's D.E.O set. In the caption for the photo, Leigh -- who plays Alex Danvers on the series -- wishes Harewood the best in all aspects of his life and let him know that she's honored to be his colleague and friend.