Greg Grunberg, Actor: Heroes. Greg Grunberg was born on July 11, 1966 in Los Angeles, California, USA as Gregory Phillip Grunberg. He is an actor and producer, known for Heroes (2006), Hollow Man (2000) and Xingji zhengbazhan (2009). He has been married to Elizabeth Dawn Wershow since December 19, 1992. They have three children.