Joe Namath was quarterback of the New York Jets in 1968 and was known as Broadway Joe because of his flamboyant personality.
Joanna Going, who plays the veteran actress on the soap opera, got her start as a young actress on soaps, including Search for Tomorrow (1951) (her very first job), Another World (1964) and the 1990's Dark Shadows (1991).
Joanna Going's character compares Don to James Garner... Jon Hamm had a cameo in Clint Eastwood's Space Cowboys, that co-starred Garner.