Stanley Tucci

Mr. D / Dionysus

Octavia Spencer

Martha (voice)

Ron Perlman

Polyphemus (voice)

Nathan Fillion

Hermes

Chris Columbus

Executive Producer

Alexandra Daddario

Annabeth Chase

Mary Birdsong

Gray Sister #1

Yvette Nicole Brown

Gray Sister #2

Mark Radcliffe

Executive Producer

Logan Lerman

Percy Jackson

Leven Rambin

Clarisse La Rue

Anthony Stewart Head

Chiron

Missi Pyle

Gray Sister #3

Robert Maillet

Polyphemus / Laistrygonian

Brandon T. Jackson

Grover Underwood

Douglas Smith

Tyson

Jake Abel

Luke Castellan

Katelyn Mager

Young Thalia

Grey Damon

Chris Rodriguez

Paloma Kwiatkowski

Thalia Grace

Connor Dunn

Tereus

Alisha Newton

Young Annabeth

Bjorn Yearwood

Young Grover

Samuel Braun

Young Luke

Christopher Redman

Reardon

Jordan Weller

Ichneutae

Thor Freudenthal

Director

Mark Morgan

Executive Producer

Greg Mooradian

Executive Producer

Guy Oseary

Executive Producer