- Dawson Casting: Averted. Like their characters, Robert Clark, Jake Epstein, Michael Seater and Noah Giffin were 13 when the first season began and 14 when the second season began. Katie Boland was actually a year younger than Gwen.
- Only So Many Canadian Actors: Stars a number of people who appear in a lot of different Canadian shows and films.
- Real-Life Relative: In "But I'm Too Young to Be My Dad", Zack's future son Mack is played by Daniel Clark, who is the elder brother of Robert Clark who played Zack.
Trivia / The Zack Files