The Draper’s dog (acquire in Marriage of Figaro) is Polly.
Hollis is the elevator operator who helped Don in Red in the Face
Sonny from the elevator and a janitor got fired the morning after the election (Nixon vs. Kennedy).
In 5G, Ethel had made breakfast. She is the same babysitter as in Shoot. Carly is the part-time help of the Drapers in the Wheel.