I Accidentally Vaporize My Pre-Algebra Teacher

Walker Scobell

Percy Jackson

Leah Sava Jeffries

Annabeth Chase

Aryan Simhadri

Grover Underwood

Jason Mantzoukas

Mr. D / Dionysus

Charlie Bushnell

Luke Castellan

Adam Copeland

Ares

Jessica Parker Kennedy

Medusa

Suzanne Cryer

Echidna

Lin-Manuel Miranda

Hermes

Jay Duplass

Hades

Timothy Omundson

Hefestus

Dior Goodjohn

Clarisse La Rue

Ryan Cowie

Chaperon

Lance Reddick

Zeus

Toby Stephens

Poseidon

Megan Mullally

Mrs. Dodds / Alecto

Virginia Kull

Sally Jackson

Timm Sharp

Gabe Ugliano

Glynn Turman

Mr. Brunner / Chiron

Hiro Kanagawa

Headmaster

Azriel Dalman

Young Percy Jackson

Olivea Morton

Nancy Bobofit

Nick Boraine

Voice in Dream (voice)

Simon Chin

Super (Eddie)

Manoj Sood

Principal

David Beairsto

Social Services Counselor

Athan Irinakis

Martin

Billy Christos Jr.

Snickering Kid #1

Malcolm Anthony Clarke

Snickering Kid #2

Drako Cheng

Bubble Gum Kid

Adam John Patrick Gillese

Kid #2

Mateo Deuma

Kid #3

Peyton Amelia Feltham

Nancy's Friend #1

Valencia Budijanto

Nancy's Friend #2