Jay Mohr (born August 23, 1970) is an American actor and stand up comedian. He is perhaps best known for his role as Professor Rick Payne in the TV series Ghost Whisperer, in which he starred for two years. He is also known for playing the title role in the CBS sitcom Gary Unmarried, which ran from 2008 to 2010, and the back-stabbing sports agent Bob Sugar in Jerry Maguire..