As Fran is giving a guided tour of the Sheffield house to her mother's canasta group, she says, "This is the very piano played by Mr. Marvin 'The Way We Were' Hamlisch".
When C.C. makes a noise while hiding in the closet, Fran tries to explain it away to Mr. Haste by saying, "Poltergeist.. I got the apartment really cheap, but I can't watch TV".