Young spy Harriet Welsch crosses paths with popular student Marion Hawthorne as the two girls vie to become the official blogger of their high school class.
| Actor | Role |
|---|---|
 Jennifer StoneHarriet Welsch | Harriet Welsch |
 Vanessa MorganMarion Hawthorne | Marion Hawthorne |
 Wesley MorganSkander Hill | Skander Hill |
 Kiana MadeiraRachel Hennessy | Rachel Hennessy |
 Kristin BoothGolly | Golly |
 Doug MurrayRoger Welsch | Roger Welsch |
 Jason BlickerSol | Sol |
 Jayne EastwoodMs. Elson | Ms. Elson |
 Aislinn PaulBeth Ellen | Beth Ellen |
 Madison CipparonePoppy Malone | Poppy Malone |
 Craig BrownSteven | Steven |
 Alexander ContiSport | Sport |
 Shauna MacDonaldVioletta | Violetta |
 Melinda ShankarJanie Gibbs | Janie Gibbs |
 Peter MooneyLazaar | Lazaar |
 Danny SmithTim | Tim |
 Martin RoachAlfred Cooper | Alfred Cooper |
 Alicia Dea JosipovicDancer | Dancer |