While the major characters were portrayed as children in the previous films, "they have subtly transitioned into teenagers (in Goblet of Fire)" according to one USA Today reviewer.
Ndërsa personazhet kryesorë ishin portretizuar si fëmijë në filmat e mëparshëm, “ata tashmë janë bërë adoleshentë” (në Kupën e Zjarrit) sipas një vlerësuesi të USA Today.