Most famous for voicing "Rhino the Hamster" in the Disney film Bolt, Walton also worked as a storyboard artist, contributing to Disney productions such as Home on the Range, Return to Neverland, and Chicken Little.
After earning a bachelor's degree in illustration from Utah State University, he joined the screenwriting team for Disney's 1999 version of Tarzan.
He was nominated for an Annie Award for his voice acting work in Bolt.
He and his six younger siblings grew up in Salt Lake City, Utah. In his forties, he married a French woman named Morgane.
He and Bill Farmer both had voice acting careers with Disney.