Jason Morgan Ritter is an American actor who is best known for his roles as Kevin Girardi on the CBS fantasy/family drama series Joan of Arcadia from 2003 to 2005, Ethan Haas in The Class, Sean Walker in the NBC series The Event. and as Sean Walker on the NBC serial drama series The Event from 2010 to 2011.

For Disney, he voiced Dipper Pines on the Disney Channel animated series Gravity Falls (including voicing most of Dipper's clones in the episode "Double Dipper"). He also played Kevin Finn in the ABC TV show Kevin (Probably) Saves the World, and Martin Brockett in the 1999 Touchstone Pictures film Mumford.

He is the grandson of actor and musician Tex Ritter and the oldest son of late actor and comedian John Ritter.

Disney Roles