* Josh Hutcherson was in the movie "Bridge to Terabithia" around the same time as "Wizards of Waverly Place" aired, but he wasn't in the show.
* The Olsen twins (Mary-Kate and Ashley) were well-known child stars, but their careers mostly focused on movies and direct-to-video releases. They didn't appear in "Wizards of Waverly Place."
* Frankie Muniz starred in "Malcolm in the Middle," which ended in 2006. While "Wizards of Waverly Place" premiered in 2007, Frankie Muniz wasn't involved in that show.
So, to answer your question directly, none of the actors you mentioned appeared in "Wizards of Waverly Place."