Sissy Spacek has her first television role in The Waltons series.
Nicholas Hammond who plays Theodore in this episode is famous for his role as Friedriek in the movie Sound of Music and remains good friends with Julie Andrews and the rest of the Von Trapp children.
Elizabeth mentions wanting to hear Parkyakakus on the radio. Parkyakakus (real name Harry Einstein) was a popular radio comedian mostly known for appearing on Eddie Cantor's radio program during the 1930s. He was the father of Albert Brooks and Bob Einstein.