<Li> James Tupper as Nathan Carlson, Madeline's ex-husband </Li> <Li> Jeffrey Nordling as Gordon Klein, Renata's husband </Li> <Li> Laura Dern as Renata Klein </Li> <Ul> <Li> Iain Armitage as Ziggy Chapman, Jane's son </Li> <Li> Sarah Baker as Thea Cunningham </Li> <Li> Sarah Burns as Gabrielle </Li> <Li> P.J. Byrne as Principal Nippal </Li> <Li> Santiago Cabrera as Joseph </Li> <Li> Darby Camp as Chloe Mackenzie, Madeline's younger daughter </Li> <Li> Hong Chau as Jackie </Li> <Li> Kelen Coleman as Harper Stimson </Li> <Li> Cameron Crovetti as Josh Wright, Celeste's son </Li> <Li> Nicholas Crovetti as Max Wright, Celeste's son </Li> <Li> Merrin Dungey as Detective Adrienne Quinlan </Li> <Li> Ivy George as Amabella Klein, Renata's daughter </Li> <Li> Virginia Kull as Ms. Barnes </Li> <Li> Chloe Coleman as Skye Carlson, Bonnie's daughter </Li> <Li> Kathryn Newton as Abigail Carlson, Madeline's elder daughter </Li> <Li> Molly Hagan as Dr. Moriarty </Li> <Li> Larry Sullivan as Oren </Li> <Li> David Monahan as Bernard </Li> <Li> Kathreen Khavari as Samantha </Li> <Li> Joseph Cross as Tom, Madeline and Celeste's favorite cafe owner </Li> <Li> Robin Weigert as Dr. Amanda Reisman, Perry and Celeste's therapist </Li> <Li> Larry Bates as Stu </Li> </Ul>

Who plays the child psychologist in big little lies