Percy Jackson

Walker Scobell

Annabeth Chase

Leah Sava Jeffries

Grover Underwood

Aryan Simhadri

Luke Castellan

Charlie Bushnell

Clarisse La Rue

Dior Goodjohn

Tyson

Daniel Diemer

Sally Jackson

Virginia Kull

Mr. Brunner / Chiron

Glynn Turman

Mr. D / Dionysus

Jason Mantzoukas

Kronos / Voice in Dream (voice)

Nick Boraine

Chris / Theo

Andrew Alvarez

Alison Simms

Beatrice Kitsos

Gabe Ugliano

Timm Sharp

Young Percy Jackson

Azriel Dalman

Sarah

Threnody Tsai

Ares

Adam Copeland

Tantalus

Timothy Simons

Skull Eater

Daniel Cudmore

Dean

Mathew Yanagiya

Thalia Grace

Tamara Smart

Mrs. Dodds / Alecto

Megan Mullally

Poseidon

Toby Stephens

Hermes

Lin-Manuel Miranda

Chris Rodriguez

Kevin Chacon

Bronte

Sage Linder

Assistant Satyr

Ryan Beil

Petra

Cassandra Ebner

Mark

Marlo Marolle

Clarisse Cronie

Araya Boyce

Young Annabeth Chase

Marissa Winans