David Hornsby. Actor: It's Always Sunny in Philadelphia. David Hornsby was born on 1 December 1975 in Newport News, Virginia, USA. He is an actor and producer, known for It's Always Sunny in Philadelphia (2005), Mythic Quest: Raven's Banquet (2020) and Good Girls (2018). He has been married to Emily Deschanel since 25 September 2010. They have two children.