When Sonic Boom becomes bankrupt, Lester decides to sell the store and move away for good. Team Austin must find a way to help Sonic Boom’s sale to go up to prevent Ally from moving. Aaron’s attention is diverted to his investigator who shows up suddenly in Miami.
- 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
- Austin North as Spencer Dawson
- Andy Milder as Lester Dawson
- Julia Campbell as Penny Dawson
- Nick Robinson as Keith Jacobs
- Zibby Allen as Jennifer Golden