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 Melissa Stephens as Liz Clementine Greevy as Margaux Juana Samayoa as Avalea Zackary Drucker as Group Leader