The round television in the Clark's house is a Zenith "porthole" model, made from 1948 to 1951, with screen sizes ranging from 10 to 19 inches.
Lee J. Cobb was only 14 years older than John Derek who played his son.
The car John Derek drives is a 1951 Mercury convertible. Only 6,759 were made and very few have survived. In excellent condition an example could be worth around $90,000 in 2022.
Dorothy Tree's last movie.