Guest Stars Naya Rivera as Santana Lopez Heather Morris as Brittany Pierce Harry Shum, Jr. as Mike Chang Dijon Talton as Matt Rutherford Jonathan Groff as Jesse St. James Patrick Gallagher as Ken Tanaka Stephen Tobolowsky as Sandy Ryerson Robin Trocki as Jean Sylvester Molly Shannon as Brenda Castle Olivia Newton-John as Herself Mary Jo Catlett as Mrs. Carlisle