Main Each main character uses a pseudonym while broadcasting to remain anonymous and prevent the administration from shutting down the station. •
Al Mukadam – Ray Brennan / "Pronto" •
Nathan Stephenson – Robbie McGrath / "Question Mark" •
Kate Todd – Lily Randall / "Shady Lane" • Nathan Carter – Travis Strong / "Smog"
Supporting •
Genelle Williams – Kim Carlisle • Hamish McEwan – Principal Daniel Waller •
Kenny Robinson – Mickey Stone •
Ashley Newbrough – Audrey Quinlan • David Rendall – Ted •
Garen Boyajian – Ed • Victoria Nestorowicz – Parker Haynes (season 3–4) •
Hill Kourkoutis – Megan (season 3–4) •
Lara Amersey – Bridget (season 3–4) • Steve Belford – River Pierce (season 3–4) • Julia Alexander – Grace Sutter (season 3–4)
Guest stars • Maggie Gelbert – Marley (Marlee) Otto •
Tracey Hoyt – Miss Emily Mitchell • Ray Mukaddam – Tim Brennan •
Lauren Collins – Blaire •
Paula Brancati – Veronica •
Skye Sweetnam – Sydney DeLuca •
Jake Epstein – Jackson Torrence • William Greenblatt – Leon Appleton •
Sara Farb – Jennifer Peoples •
Aubrey Graham – RFR caller •
The Meligrove Band – Themselves •
The Trews – Themselves •
The Pettit Project – Themselves •
The Rocket Summer – Himself (voice) •
Dan Koch – Himself (voice) • Mukundan Jr. – Himself == Episodes ==