He also voiced Linus van Pelt in Happy New Year, Charlie Brown!.
After Growing Pains, he appeared in the film Milk and Fashion, in commercials for McDonald's "Dollar Menunaires" promotion shot as a parody of the VH1 series Best Week Ever, and as the star of the 1990 Hanukah episode of Shalom Sesame (an American/Israeli coproduction of Sesame Street).
facing off against Mayim Bialik from Blossom, and Tatyana Ali from The Fresh Prince of Bel-Air; he and his partner got through to the bonus round in the end (but failed to win the big prize).
[3][4] Miller states that he suffered from alcohol abuse for years, until he had an implant that released the drug Naltrexone into his system.
In 2011, he became a spokesperson for Fresh Start Private Management Inc., the rehabilitation company that administered his treatment.