Rick Riordan Creator, Executive Producer, Writer, Screenwriter Jonathan E. Steinberg Creator, Screenwriter Walker Scobell Percy Jackson Actor Leah Jeffries Annabeth Chase Actor Aryan Simhadri Grover Underwood Actor Megan Mullally Alecto , Mrs. Dodds Actor Virginia Kull Sally Jackson Actor Timm Sharp Gabe Ugliano Actor Glynn Turman Chiron , Mr. Brunner Actor Hiro Kanagawa Headmaster Actor Azriel Dalman Young Percy Actor Olivea Morton Nancy Bobofit Actor Nick Boraine Voice in Dream Actor Simon Chin Super (Eddie) Actor Manoj Sood Principal Actor David Beairsto Social Services Counselor Actor Athan Irinakis Martin Actor Malcolm Clarke Snickering Kid #2 Actor Drako Cheng Bubble Gum Kid Actor Adam Gillese Kid #2 Actor Mateo Deuma Kid #3 Actor Valencia Budijanto Nancy's Friend #2 Actor Peyton Feltham Nancy's Friend #1 Actor Billy Christos Jr. Snickering Kid #1 Actor Bert Salke Executive Producer Dan Shotz Executive Producer Ellen Goldsmith-Vein Executive Producer James Bobin Executive Producer, Director Jeremy Bell Executive Producer Jim Rowe Executive Producer Jon Steinberg Executive Producer Monica Owusu-Breen Executive Producer Anders Engström Executive Producer D.J. Goldberg Executive Producer Rebecca Riordan Executive Producer Jet Wilkinson Executive Producer Sparks & Shadows Music Bear McCreary Original Music Pierre Gill Cinematographer