Guest Stars Alyvia Alyn Lind as Grace Rob Huebel as Len Gillian Vigman as Tammy Cashman Abby Ryder Fortson as Ella Sawyer Ever as Zack Brett Paesel as Rita Henry Simmons as Derek Lawrence Pressman as Ed Alison Sudol as Kaya Clementine Greevy as Margaux Melissa Stephens as Liz Juana Samayoa as Avalea Zackary Drucker as Group Leader