Guest Stars Cara Buono as Karen Wheeler Joe Chrest as Ted Wheeler Jamie Campbell Bower as Henry Creel / Vecna Catherine Curtin as Claudia Henderson Joseph Quinn as Eddie Munson Amybeth McNulty as Vickie Dunne Eduardo Franco as Argyle Mason Dye as Jason Carver Myles Truitt as Patrick McKinney Tristan Spohn as Two Martie Blair as Young Eleven Christian Ganiere as Ten Elodie Grace Orkin as Angela Gabriella Pizzolo as Suzie Bingham Logan Riley Bruner as Fred Benson Grace Van Dien as Chrissy Cunningham Co Starring Tinsley Price as Holly Wheeler Clayton Royal Johnson as Andy Jennifer Marshall as Susan Hargrove Hunter Romanillos as Chance David Alexander Kaplan as Twelve Hendrix Kate Yancey as Thirteen Morgan Gao as Three Bentley Williams as Fifteen Sparrow Nicole as Four Chloe Adona as Nine Lana Jean Turner as Seven Jessica Arden Napier as Five Jeremiah Friedlander as Fourteen Olivia Sembra as Eighteen Ethan Green as Sixteen Oliver Green as Seventeen De'Jon Watts as Six Jayden Griffin as Freshman Teammate Logan Allen as Jake Alex Wagenman as Mean Boy Gabriella Surodjawan as Mean Girl Samuel Salary as Stern Orderly Candice Rose as Chrissy's Mom Regina Ting Chen as Counselor Kelley Scout Hamrick as Candace Gwydion Lashlee-Walton as Gareth Trey Best as Jeff Christopher Strand as Chrissy's Dad Grant Goodman as Freak #1 Elise Falanga as Lenora Neighbor Laura Niemi as Mrs. Gracey Elizabeth Becka as Dr. Ellis Shawnee Pourier as Cute Girl Maximo Salas as Wrestler Teen Brook Sill as Brenda Julia Reilly as Tammy Thompson Todd d'Amour as Coach Tristan Peters as Chess Kid #2 Abigail R. Townsend as Friendly Girl Lucinda Marker as Math Teacher Haroon Khan as Chess Kid Gregory Konow as Announcer Sophie Elizabeth Gonzalez as Art Kid David Gibson as Friendly Mailman Nicholas Azarian as Kid in Goggles Anna Grace Davidson as Drama Kid Hayley Baron as Friendly Girl #2 Shane Donovan Lewis as Math Kid
