The reporter interviewing Marcia and the other girls about women's lib was a news reporter in real life named Ken Jones (he used his real name in the episode)who worked at the time for KTTV ch. 11 (now Fox 11) in Los Angeles. He was with the station for many years and appeared in several movies and TV shows, usually playing himself.
Claire Wilcox (Judy) and Maureen McCormick (Marcia) had previously appeared together in a 1967 episode of My Three Sons.