Greg M Glienna is an American director and screenwriter best known as the creator of the original Meet the Parents He also wrote A Guy Thing and wrote and directed Relative Strangers He is also the coauthor with Mary Ruth Clarke of the play Suffer the Long Night which had its Los Angeles premiere August 2008 The film Spy High a script Glienna cowrote with Pete Schwaba will go into production by Bold Films in June 2009