Jason Teague does not appear in this episode because Jensen Ackles was filming the pilot for his show Supernatural.
Colin Ford plays the young, age 7, Evan Gallagher. He will later play a young Sam Winchester, the brother of Dean Winchester. Dean is played by Jensen Ackles. The same actor who is playing Jason Teague in this season of Smallville.
The Velveteen Rabbit, a children's novel written by Margery Williams and illustrated by William Nicholson is the favourite book of Clark Kent when he was a kid. It chronicles the story of a stuffed rabbit and his quest to become real through the love of his owner. The book was first published in 1922.
Last episode of the series not to feature or credit Erica Durance (Lois Lane) as a cast member.
Chloe looks up the list of people invited to a party, and a name on the list, 'Allison Dunn', is the name of the set decorator of Smallville.