Characters played by Jack Black
Jonathan Barnavelt
Characters played by Cate Blanchett
Florence Zimmerman
Characters played by Owen Vaccaro
Lewis Barnavelt
Characters played by Kyle MacLachlan
Isaac Izard
Characters played by Renée Elise Goldsberry
Selena Izard
Characters played by Colleen Camp
Mrs. Hanchett
Characters played by Sunny Suljic
Tarby Corrigan
Characters played by Lorenza Izzo
Mother
Characters played by Braxton Bjerken
Woody Mingo
Characters played by Vanessa Anne Williams
Rose Rita Pottinger
Characters played by Ricky Muse
Bus Driver
Characters played by Charles Green
Soda Jerk
Characters played by De'Jon Watts
Clark
Characters played by Aaron Beelner
Clown Automaton
Characters played by Joshua Phillips
Clown Automaton
Characters played by Christian Calloway
Azazel
Characters played by Iyasu Dusé
Sweet Shop Employee
Characters played by Dylan Gage
Sweet Shop Boy
Characters played by Jalyn Hall
Devin
Characters played by Jackson T. Giles IV
Student
Characters played by Eli Roth
Comrade Ivan
Characters played by Alli Beckman
Magician's Assistant
Characters played by Kom Chauncheun
Daniella
Characters played by Anna Chuancheun
Dr. Zhang Chan
Characters played by Maiya Frederick
student
Characters played by Jaydyn Gay
Classroom Student
Characters played by Sandy Givelber
Kate
Characters played by Harrison Goytia
Basketball Player
Characters played by Precious Hayes
Sweetheart
Characters played by Sophia Annabella Kim
School Yard Kid
Characters played by Demetri Landell
Teenage Pedestrian
Solar Eclipse Attendee
Characters played by Josephine Lundy
Student
Characters played by Van Marten
Towns Person
Characters played by Perla Middleton
Parent
Teacher
Characters played by Garrett Strobl
Bus Sleeping Man