It is mentioned in one of the scenes, that Melanie Griffith's character, who is an aspiring actress, should visit Alfred Hitchcock's agents. Griffith's mother is actress Tippi Hedren, who rose to stardom in Hitchock's The Birds (1963) and Marnie (1964).
Two of Lucille's children are played by Melanie Griffith's real-life children: Dakota Johnson and Stella Banderas.