For anyone who doesn't know who plays each character:
Tori Vega: Victoria Justice
Andre Harris: Leon Thomas III
Beck Oliver: Avan Jogia
Trina Vega: Daniella Monet
Robbie Shapiro: Matt Bennett
Jade West: Elizabeth Gillies
Cat Valentine: Ariana Grande
Sinjin Van Cleef: Mikey Reid
Sikowitz: Eric Lange
Lane (guidance counciler): Lane Napper