Guest Stars Emma Caulfield as Anya Jenkins Kristine Sutherland as Joyce Summers Amber Benson as Tara Maclay Seth Green as Daniel "Oz" Osbourne Armin Shimerman as Principal Snyder Mercedes McNab as Harmony Kendall George Hertzberg as Adam Michael Harney as Xander's Father David Wells as The Cheese Man Co Starring Phina Oruche as Olivia Sharon Ferguson as Primitive Rob Boltin as Soldier