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