Shane West, who plays Dr. Ray Barnett, is in a band in real life. His band mates in the episode were his band mates in real life at the time of this episode. The band's name was Jonny Was. He is currently in a new band with one of the on screen band mates, called Twilight Creeps.
Ellie Shore (played by Cynthia Nixon), comments on how gorgeous Dr Kovac is and guesses about his height; the actor, Goran Visnjic, is 6'4".
One of Ellie Shore's kids, Erin Shore (Camryn Grimes) is related to Scott Grimes (Dr Morris) in real life but they don't share a scene together in this episode.