You may know him from his Tony nominated role in the groundbreaking Broadway play Angels in America -- or from his many guest starring roles on TV-- or as Anne Hathaway’s good hearted dad in The Devil Wears Prada.

David Marshall Grant -- a favorite of Radar’s -- has been entertaining and moving audiences for decades, both in front of and behind the camera.

So, in honor of his birthday on Tuesday, June 21, RadarOnline.com is profiling this multi-talented and boyish handsome actor/playwright/and TV boss about his celebrated career, the recent cancellation of ABC’s Brothers & Sisters for which he served as ‘Showrunner’,  and why he calls Glee a “game changer.”