In one scene, there's a pinball game called "Thing," manufactured by Chicago Coin in 1951.
Betsy Hale, who played the little girl, also played in an episode of Dr. Kildare (1961) with Richard Chamberlain and Raymond Massey.
Richard Chamberlain and Raymond Massey would go on as actors working together in 191 Dr. Kildare (1961) episodes.