Devon Werkheiser (Then)

As the main protagonist, Werkheiser played Ned Bigby. Each episode centered around Bigby’s “self-help” guide to surviving every aspect of middle school from escaping a bully’s wrath to preparing for pop quizzes. Before his breakout role on “Ned’s Declassified,” Werkheiser appeared in “We Are Soldiers” and voiced the friendly ghost in “Casper’s Scare School.”