Guest Stars Kathryn Newton as Abigail Carlson Iain Armitage as Ziggy Chapman Darby Camp as Chloe Mackenzie Ivy George as Amabella Klein Santiago Cabrera as Joseph Bachman Merrin Dungey as Detective Adrienne Quinlan Kelen Coleman as Harper Stimson Robin Weigert as Dr. Amanda Reisman P.J. Byrne as Principal Nippal Gia Carides as Melissa Sarah Burns as Gabrielle Hong Chau as Jackie Sarah Baker as Thea Cunningham Co Starring Nicholas Crovetti as Max Wright Chloe Coleman as Skye Carlson Cameron Crovetti as Josh Wright Larry Sullivan as Oren Larry Bates as Stu Nelly Buchet as Juliette Kathreen Khavari as Samantha David Monahan as Bernard Tim True as Detective Walt Gibson Danielle Judovits as Puppeteer Richard Israel as Theatrical Coordinator Benai Boyd as Puppeteer Chris M. Kauffmann as Puppeteer Ryan O'Connor as Puppeteer Angela Ai as Puppeteer Keisuke Hoashi as Dr. Leo Chang Anthony Zediker as Accompanist Mark Adair-Rios as Coach Bob Carrie Wampler as Lori Jennifer LaFleur as Fiona Brewster