Special Guest Stars Jonathan Groff as Jesse St. James Idina Menzel as Shelby Corcoran Molly Shannon as Brenda Castle Neil Patrick Harris as Bryan Ryan John Michael Higgins as Russell Guest Stars Naya Rivera as Santana Lopez Heather Morris as Brittany Pierce Harry Shum, Jr. as Mike Chang Iqbal Theba as Principal Figgins Dijon Talton as Matt Rutherford Stephen Tobolowsky as Sandy Ryerson Paul Vogt as Herb Duncan Co Starring Molly McCook as Sophomore Singer Wendy Worthington as Woman Auditioning Missy Morelli as Vocal Adrenaline Member