When Diane waits in the lobby, the clerk mentions something about the owner of another hotel, Conner Hilton, who's related to Kim Richards.
Guest star George O'Hanlon, Jr. was in the original John Carpenter's Halloween (1978) with Kim Richards' sister Kyle Richards, who returned 40 some years later in the recent sequels Halloween Kills (2021) and Halloween Ends (2022).
Joey Travolta was in Hunter's Blood (1986) with Charles Cyphers who was in the original John Carpenter's Halloween (1978) with George O'Hanlon, Jr. and Kim Richards' sister Kyle Richards.