Austin, Tyler and Aaron gets addicted to a video game that they play for six hours straight. To help them get their minds off the game, Ally signs up the whole gang to their school glee club, which also happens to have a competition in a week. Team Austin must now come up with a great performance when the club’s teacher falls ill.
- Ross Lynch as Austin Moon
- Laura Marano as Ally Dawson
- Calum Worthy as Dezmond "Dez"
- Raini Rodriguez as Patricia Maria "Trish" De La Rosa
- Spencer Boldman as Aaron Moon
- Stefanie Scott as Lexi Reed
- Jack Griffo as Tyler Fox
- Luke Bilyk as Jake Daugherty
- Akiko Solon as Hannah Rodriguez
- Kent Boyd as Ian
- Idina Menzel as Kristel Daugherty.