He played the role of Wilbur Post in Mister Ed from 1961 to 1966. From 1988 to 1989 he starred as Ed Pepper in the TV series Coming of Age. As a voice actor Young contributed to the animated series Battle of the Planets, Spider-Man & His Amazing Friends, The Incredible Hulk, The Dukes, Alvin & the Chipmunks, DuckTales, The Ren & Stimpy Show, and many more. Young won a Primetime Emmy Award for Best Actor in 1951. He was nominated for a Grammy Award in 1977 for Best Recording for Children and won a TV Land Award in 2005 for Most Heart Warming Pet-Human Relationship for Mister Ed.