Jon Walmsley is a musician and actor. Walmsley is known for his accomplishments as an actor, most notably a nine-season run as Jason Walton on The Waltons. He also returned for all of the Waltons reunion projects during the 1980s and 1990s. He provided the voice of Christopher Robin for Disney's Winnie the Pooh cartoons. Walmsley was a member of Richard Marx's touring band in the late 1980s, and appeared in at least two of Marx's music videos—"Should've Known Better" and "Too Late to Say Goodbye."