Question: who does the voice of dipper in gravity falls
Answer: Jason Morgan Ritter ( born February 17 , 1980 ) is an American actor , and the son of actress Nancy Morgan and actor John Ritter , known for his roles as Kevin Girardi in the television series Joan of Arcadia , Ethan Haas in The Class , as Sean Walker in the NBC series The Event , and as the voice of Dipper Pines in Gravity Falls .