Mike Munich, who plays one of the hospital dancers, previously toured with the LXD when he performed with Vocal Adrenaline for Glee. Shelby Rabara also went on tour, performing with both Glee and the LXD.
Jon Chu's dog, Monster, appears in this episode.
Shelby Rabara relates her character to comic book villain Catwoman: "She's super mysterious and sexy, and a bad guy all at the same time, and I feel like the Dark Nurse has some parallels with Catwoman."
Boppin' Andre, despite having virtually no dancing in the episode, is a renowned popper, and is in fact, a mentor and friend to Madd Chadd.