Jennifer Rhodes who plays Nick's mother, Catherine is ten years younger than Jane Fonda.
Gwen Van Dam (as Marie, the lady in line) was in Coming Home starring Jane Fonda, and before that, Lilith co-starring Jane's brother Peter Fonda.
Sol meets a woman with a dog named Harry. Sam Waterston played Harry in the movie Just Between Friends (1986).
When Robert says to Sol, "Mainly you, but also me," it may be a nod to the musical "The Book of Mormon". Robert is a musical theater fan.