Guest Stars Virginia Kull as Sally Jackson Glynn Turman as Chiron / Mr. Brunner Timm Sharp as Gabe Ugliano Megan Mullally as Alecto / Mrs. Dodds Co Starring Nick Boraine voices Voice in Dream Azriel Dalman as Young Percy Hiro Kanagawa as Headmaster Billy Christos, Jr. as Snickering Kid #1 Simon Chin as Super (Eddie) David Beairsto as Social Services Counselor Manoj Sood as Principal Valencia Budijanto as Nancy's Friend #2 Malcolm Clarke as Snickering Kid #2 Adam John Patrick Gillese as Kid #2 Drako Cheng as Bubble Gum Kid Athan Irinakis as Martin Olivea Morton as Nancy Bobofit Mateo Deuma as Kid #3 Peyton Feltham as Nancy's Friend #1 Uncredited Rick Riordan as Teacher