Guest Stars LeVar Burton as Dr. Aloysius Negari Cynthy Wu voices Steffi Annalisa Cochrane as Colleen Trevor Jackson as Chester Auliʻi Cravalho as Rayna Perez Cleo Berry as Dirg Feodor Chin as Dr. Lance Intae Kim as Gete Co Starring Esteban Cueto as Grant Zoran Korach as Geemo Camille Knox as Chillinx Frank Gallegos as Rayna's Dad Susan Ortiz as Rayna's Mom Christopher Collins as Blummy Venus DeMilo as Principal Anthony Traina as Nerf DuHall Lamar Richardson as Tutu Chris Schuchert as Hippy College Student