According to June Foray's audio commentary on the DVD box set, she was not only the voice for Witch Hazel, but was the model for the "beautified" witch at the conclusion of the cartoon.
It's unknown whether Hazel's pet tarantula, Paul, died of natural causes or she had used him as an ingredient in a past potion recipe.
Director Chuck Jones succeeded in persuading June Foray to take on the role of Witch Hazel for this cartoon.
The first time that both June Foray and Mel Blanc would record their lines together in a session, something that was to become commonplace thereafter.
When Hazel becomes pretty the mirror face turns lecherous and resembles the face of the Grinch. Both were directed by Chuck Jones.