• Zachary "Zack" Greenburg (played by
Robert Clark) is the main protagonist. A relatively normal kid but often becomes a magnet for the paranormal. • Cameron "Cam" Dunleavey (played by
Jake Epstein) is one of Zack's best friends who will do anything to make a quick buck. He is in love with Gwen. • Spencer "Spence" Sharpe (played by
Michael Seater) is another of Zack's best friends and the keeper of
The Zack Files who is infatuated with paranormal activity and is attempting to win the
Nobel Prize by proving the paranormal exists. • Gwendolyn "Gwen" Killerby (played by
Katie Boland): Gwen doesn't believe in paranormal activity and her father is headmaster of their school, which allows her to be the only girl at an all-boys academy. • Vernon Mantueffel (played by Noah Giffin) is the school bully. He is jealous of Cam, Spence and Zack. He is Zack's nemesis, the richest kid in school and he also swears a lot. • Daniel "Dan" Greenburg (played by Jeff Clarke) is Zack's father, divorced and kind of ignorant. • Jennifer "Woman From 302" (played by Collette Micks): Downstairs neighbour and sometimes girlfriend of Zack's father. ==Telecast and home media==