Jay Jackson played a news reporter in this episode. He also had a recurring role as a news reporter named Perd Hapley on Parks & Recreation.
The title of Marcus Eldridge's book, "The Bite in the Frost", follows the same pattern as most of the series' episode titles: "The [Thing] in the [Place]".
Actors John Shea (Dr. Marcus Eldridge) and Jim Pirri (Declan Marshall) have both made appearances in The New Adventures Of Superman. Shea played Lex Luthor for 25 episodes and Pirri played Daniel Scardino for 3 episodes.