Special Guest Stars Iain Armitage voices Wilbur Jean Smart voices Charlotte Co Starring Josette Halpert as Sydney Allen Tony Ofori as Malcolm Turner Ari Cohen as Professor Todd McCormack Julia Tomasone as Amber Catherine McGregor as Detective Donovan Dylan Everett as Liam Jefferson Brown as Avery Boyd Kevin Liu as Griffin Rhoslynne Bugay as Danielle Roman Pesino as Ethan Saccha Dennis as Archive Librarian Romel De Silva as Oliver Ramos Darrin Baker as Mr. Zuckerman Shanda Bezic as 1980s Reporter Blair Williams voices Horse Michael Ripley as 1952 Judge Gordon Harper as 1980s Cafeteria Worker Andy Reid as Young Todd McCormack Logan Jovanovski as Young Dorothy Montgomery Frances Brady-Stewart as Dorothy Montgomery