Dez directs a music video for Ally, and hires an actor to play as her love interest, which she starts to like. Tyler helps Zac babysit his baby brother and brings him to the studio, when he wanders away. They must find the baby before Zac’s parents, who works at the studio, finds out.
- 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
- Garrett Backstrom as Zac Helm
- Zoey Deutch as Samantha Bennett
- Luke Bilyk as Jake Daugherty
- Ansel Elgort as Sean Hunter
- Ryan McPartlin as Jonah Helm
- Emily Deschanel as Melissa Helm
- Logan Moreau as Heath Helm