Guest Stars Jennifer Riker as Dr. Helga Jace Skye P. Marshall as Kara Fowdy Erika Alexander as Perenna P.J. Byrne as Principal Mike Lowry Myles Truitt as Issa Williams Joshua Mikel as Steven Conners Salli Richardson-Whitfield as Ms. Montez Co Starring Chantal Thuy as Grace Choi Madison Bailey as Wendy Hernandez Tommy Kane as John Webb Andy Allo as Zoe B. Alex Jones as Sekou Hamilton Milli M. as Reporter #2 Sam Augustin as Male Vaccine Kid