Percy Jackson

Logan Lerman

Acting

Grover Underwood

Brandon T. Jackson

Acting

Annabeth Chase

Alexandra Daddario

Acting

Tyson

Douglas Smith

Acting

Clarisse La Rue

Leven Rambin

Acting

Luke Castellan

Jake Abel

Acting

Young Thalia

Katelyn Mager

Acting

Chris Rodriguez

Grey Damon

Acting

Thalia Grace

Paloma Kwiatkowski

Acting

Chiron

Anthony Stewart Head

Acting

Mr. D / Dionysus

Stanley Tucci

Acting

Hermes

Nathan Fillion

Acting

Polyphemus / Laistrygonian

Robert Maillet

Acting

Polyphemus (voice)

Ron Perlman

Acting

Tereus

Connor Dunn

Crew

Young Annabeth

Alisha Newton

Acting

Young Grover

Bjorn Yearwood

Acting

Young Luke

Samuel Braun

Acting

Gray Sister #1

Mary Birdsong

Acting

Gray Sister #2

Yvette Nicole Brown

Acting

Gray Sister #3

Missi Pyle

Acting

Martha (voice)

Octavia Spencer

Acting

Reardon

Christopher Redman

Acting

Ichneutae

Jordan Weller

Acting

Harpy Barista

Camille Atebe

Acting

Barista - Hecatonshire

Anthony Shim

Acting

Kronos

Robert Knepper

Acting

Ganymede

Richard Yearwood

Acting

Cyclops #1

Derek Mears

Acting

Cyclops #2

Aleks Paunovic

Acting

Parcel Store Customer

Maxine Miller

Acting

Oracle (voice)

Shohreh Aghdashloo

Acting

George (voice)

Craig Robinson

Acting