Emilie Ullerup who plays Present Day Marie in this episode goes on to play Dale Travers, Oliver's friend, as introduced in "Signed, Sealed, Delivered: From the Heart"
This episode features the song, "And So It Goes" by Billy Joel.
At 18mins, Rita asks Miss Brandt if she would "like to be the first to read the book", and merely minutes later, Miss Brandt (now sitting down)appears to be half way through Rita's book.