Jason Morgan Ritter (born February 17, 1980) is an American actor and producer. He is known for his roles as Kevin Girardi in the television series Joan of Arcadia, Ethan Haas in The Class, Sean Walker in the NBC series The Event, Dipper Pines in Gravity Falls, and Pat Rollins in Raising Dion. He also played the recurring role of Mark Cyr in the NBC television series Parenthood, for which he received an Emmy Award nomination. In 2017, Ritter starred in the ABC comedy series Kevin (Probably) Saves the World. He voiced the character Ryder in Frozen II. Early life Ritter was born on February 17, 1980, in Los Angeles, California, to actors Nancy Morgan and John Ritter. He is a grandson of actors Tex Ritter (who died six years before Ritter was born) and Dorothy Fay. His stepmother is actress Amy Yasbeck. Ritter has three siblings including actor Tyler Ritter. Ritter first appeared in the opening credits of his father's show Three's Company with Joyce DeWitt in the petting-zoo scene. He attended middle and high school at the Crossroads School in Santa Monica, California, with Simon Helberg, who became his roommate at NYU. He then attended and graduated from New York University's Tisch School of the Arts, where he studied at the Atlantic Theater Company. He also studied at the Royal Academy of Dramatic Art in London. Career Ritter appeared in The Dreamer of Oz: The L. Frank Baum Story, co-starring as Baum's son alongside his own father. In 2002, he appeared in the movies PG and Swimfan. In 2003, Ritter had a major role in the slasher/horror film Freddy vs. Jason as Will Rollins. He appeared in Raise Your Voice and Happy Endings. He portrayed Jeb Bush in the Oliver Stone film W. In 2007, he also voiced substitute teacher, Mr. Fisk, in an episode of All Grown Up!, the grown up version of Rugrats, a teacher whom Angelica falls in love with. In 2008, he produced and starred in the film Good Dick with his long-term girlfriend at the time, Marianna Palka, who also wrote and directed the film. Among Ritter's theater credits are Wendy Wasserstein's Third at Lincoln Center, for which he won the Clarence Derwent Award and the Martin E. Segal Award for his portrayal of the title character; the Off Broadway production of The Beginning of August, and the role of Tim in the