He was best known for playing Wally Plumstead in the American sitcom television series The Adventures of Ozzie and Harriet from 1957 to 1966.

[1] He began his career at the age of four, appearing in two 1934 short films produced by Manhattan-based Van Beuren Studios: No More West with Bert Lahr.

[3] In 1957, he was cast as Wally Plumstead, David's fraternity brother and best friend, on The Adventures of Ozzie and Harriet, and remained on the show through its final season in 1966.

[1] After the series ended, Young guest-starred in television programs including My Three Sons, Green Acres, Custer, Adam-12, Starsky & Hutch and Growing Pains.

[4] Young, who suffered from heart disease and diabetes, died in March 1993 of natural causes[1] at his home in Apple Valley, California, at the age of 63.