Victoria Justice Tori Vega Actor Daniella Monet Trina Actor Leon Thomas III André Actor Elizabeth Gillies Jade Actor Avan Jogia Beck Actor Ariana Grande Cat Actor Matt Bennett Robbie Actor Eric Lange Mr. Sikowitz Guest Star Michael Eric Reid Sinjin Van Cleef Guest Star Eme Ikwuakor Antoni Guest Star Mark Irvingsen Larry Stein Guest Star Amanda Gari Liza Minnelli Guest Star Austin Anderson Drummer Guest Star Raymond Basa Dancer 5 Guest Star Skyler Bible Keyboardist Guest Star Angela Brown Dancer 6 Guest Star Don Bondi Mr. Busey Guest Star Andy Dubick Trumpeter Guest Star Donte Essien Dancer 4 Guest Star Dominique Grund Courtney Van Cleef Guest Star Kara Hess Dancer 3 Guest Star Tetona Jackson Dancer 1 Guest Star Julian Keyz Sax Player Guest Star Veno Miller Bassist Guest Star Katrina Norman Kristy Vakaris Guest Star Lucas Ross Guitarist Guest Star Nina Shamloo Clarinet Player Guest Star Erick Uphoff Dancer 2 Guest Star Dan Schneider Executive Producer