Benedict Cumberbatch was cast in this episode following a meeting in the same studio in which the voice-overs for The Simpsons (1989) are recorded. After noticing that there was an uncast role, he asked if he could do the voice. He ended up voicing the Prime Minister character and Severus Snape.
Mary holds up a book written by 'June Moon. June Moon is also the name of the alter-ego of DC Comic character 'The Enchantress'.
The title like "Love is a Many Strangled Thing" is a spoof of the song "Love is a Many Splendored Thing".