Martha Tinsdale (Catherine Disher) asks Nick Radford (Rhys Matthew Bond) to use a British accent when he plays a character for the book launch celebration. Rhys was actually born in London, England.
Dr. Sam Radford (James Denton) tells his son, "Everytime I do an accent I sound like, I don't know, I'm from Tennessee." James Denton was actually born and raised in Tennessee.
This special Halloween edition is known as "Secrets of Grey House" when aired together, but when aired in two parts to fit into the regular series broadcasts, it's known as "The Enchantress Unites," Part 1 or Part 2, respectively.
Getting frosting on my nose and a nose in my frosting is a nod to the Reese's Peanut Butter Cup add campaign of the 1970s and 80s (your chocolate in my peanut butter, your peanut butter in my chocolate, mmm, they taste good together).
Rhys Matthew Bond was actually born in England and lived there until he was 10. Martha tells him he can't do an English accent. He supposed tried really hard to lose the accent upon moving to Canada as a kid.