Majel Barrett's final appearance as Lwaxana Troi.
In 2012, director David Livingston stated that he wished "The Muse" had never been produced, remarking "that was not good."
Near the end, Onaya names "Tarbolde" as one of the many authors she has inspired. Tarbolde was the fictional poet whose "Nightingale Woman" was recited by Gary Mitchell in the second Star Trek pilot "Where No Man Has Gone Before" (1965).
Michael Ansara (Jeyal) played the iconic Klingon character Kang in Day of the Dove (1968), Blood Oath (1994), and Flashback (1996).
John Paul Lona: One of the alien individuals who board Deep Space 9 at the beginning, won the walk-on role by designing the winning makeup for the alien in a competition run by Playmates Toys. Lona named the character Runepp and the species the Rasiinians.