Victoria Justice Actor Daniella Monet Actor Leon Thomas III Actor Elizabeth Gillies Actor Avan Jogia Actor Ariana Grande Actor Matt Bennett Actor Samantha Abrigo Sunshine Girl 1 Guest Star Austin Anderson Drummer Guest Star L.J. Bologna Dancer 2 Guest Star Ashley Cinq-Mars Dancer 4 Guest Star Marisa Dorchock Dancer 5 Guest Star Niki Hexum Female Back-Up Singer 2 Guest Star Caleb Landry Jones Adorable Guy Guest Star Thomas Kasp Freakish Guy Guest Star Adam Kulbersh Marty Guest Star Kayla Mallari Dancer 7 Guest Star Paul McGill Lucas Guest Star Ryan McGinnis Dancer 1 Guest Star Veno Miller Bassist Guest Star Lane Napper Lane Guest Star Isabella Oliveira Tina Guest Star Rachel Quaintance Sofia Michelle Guest Star Michael Eric Reid Sinjin Guest Star Ericka Rojas Female Back-Up Singer 1 Guest Star Verona Rose Sunshine Girl 2 Guest Star Sibohan Shaffer Guitarist Guest Star Devin Walker Dancer 8 Guest Star Anthea Young Dancer 6 Guest Star Jake Farrow Rex Guest Voice Johnny Ferretti Cranky Janitor Guest Voice Dan Schneider Executive Producer