Tyler Ritter born January 31 1985 is an American actor best known as the star of The McCarthys Ritter is the son of the late John Ritter 19482003 and brother of Jason Ritter He grew up in Los Angeles He acted in high school plays and student films but did not immediately pursue acting professionally After graduating from the University of Pennsylvania in 2007 he worked for three years as a teacher in Argentina where he married director Lelia Parma He returned to Los Angeles and began a career as an actor at age 25 and has had guest roles on Modern Family and Greys Anatomy He landed the starring role on the 2014 sitcom The McCarthys playing Ronny McCarthy the openly gay son in a family of six