Last on-screen acting appearance by Karl Weber. Afterwards, his on-screen appearances were limited to commercials (notably, for Avis Rent-a-Car and presidential campaigns of Lyndon Johnson and Nelson Rockefeller) and narrating several documentaries. in 1968 and 1969 he was president of the New York Chapter of the Screen Actor's Guild. He also recorded more than 200 audio books for the American Federation for the Blind.
Last of four appearances in the series by Joan Staley.
Contrary to the review of the episode, character actor Richard Reeves was not related to George "Superman" Reeves (1914-1959)