Casting (30)
Walker Scobell
Percy Jackson
Leah Sava Jeffries
Annabeth Chase
Aryan Simhadri
Grover Underwood
Charlie Bushnell
Luke Castellan
Dior Goodjohn
Clarisse La Rue
Daniel Diemer
Tyson
Beatrice Kitsos
Allison Simms
Virginia Kull
Sally Jackson
Timm Sharp
Gabe Ugliano
Glynn Turman
Mr. Brunner / Chiron
Azriel Dalman
Young Percy Jackson
Nick Boraine
Voice in Dream (voice)
Megan Mullally
Mrs. Dodds / Alecto
Jason Mantzoukas
Mr. D / Dionysus
Andrew Alvarez
Chris
Threnody Tsai
Sarah
Adam Copeland
Ares
Hiro Kanagawa
Headmaster
George Moran
Red Team Bully
Toby Stephens
Poseidon
Lin-Manuel Miranda
Hermes
Ryan Cowie
Chaperone
Jelena Milinkovic
Nereid (uncredited)
Olivea Morton
Nancy Bobofit
Simon Chin
Super (Eddie)
Manoj Sood
Principal
Athan Irinakis
Martin
Billy Christos Jr.
Snickering Kid #1
Malcolm Anthony Clarke
Snickering Kid #2
Drako Cheng
Bubble Gum Kid