Reese, the youngest son of William Reese and former actress Sonia Darrin, had a verbal precocity, red hair and slight lisp, all of which made him a recognizable figure. He was a frequent guest on the Mike He appeared in numerous television commercials in the 1970s, particularly for Underwood Deviled Ham, Post Raisin Bran, and Dunkin' Donuts' Dunkin' Munchkins-brand "donut holes".
Reese was the subject of the song "Mason Reese" by Alice Donut on their 1988 debut album, Donut Comes Alive. The song is a reflection on the destinies of former child stars. He appeared as himself in a 1990 short film directed by Brett Ratnercalled&nb