Gerard Butler

King Leonidas

Lena Headey

Gorgo

Dominic West

Theron

David Wenham

Dilios/Narrator

Vincent Regan

Captain

Michael Fassbender

Stelios

Tom Wisdom

Astinos

Andrew Pleavin

Daxos

Andrew Tiernan

Ephialtes

Rodrigo Santoro

Xerxes

Giovani Cimmino

Pleistarchos

Stephen McHattie

Loyalist

Greg Kramer

Ephor #1

Alex Ivanovici

Ephor #2

Kelly Craig

Oracle Girl

Eli Snyder

Leonidas @ 7/8 yrs

Tyler Neitzel

Leonidas @ 15 yrs

Tim Connolly

Leonidas' Father

Marie-Julie Rivest

Leonidas' Mother

Sebastian St. Germain

Fighting Boy (12 years old)

Peter Mensah

Messenger

Arthur Holden

Partisan

Michael Sinelnikoff

Elder Councilman

John Dunn-Hill

Councilman

Dennis St John

Spartan Baby Inspector

Neil Napier

Spartan with Stick

Dylan Smith

Sentry #1

Maurizio Terrazzano

Sentry #2

Robert Paradis

Spartan General

Kwasi Songui

Persian

Alexandra Beaton

Burned Village Child

Frédéric Smith

Statesman

Loucas Minchillo

Spartan Baby A

Nicholas Minchillo

Spartan Baby B

Tom Rack

Ephor #3

David Francis

Ephor #4

James Bradford

Ephor #5

Andrew Shaver

Free Greek-Potter

Robin Wilcock

Free Greek-Sculptor

Kent McQuaid

Free Greek-Blacksmith

Marcel Jeannin

Free Greek-Baker

Jere Gillis

Spartan General #2

Jeremy Thibodeau

Spartan Boy

Tyrone Benskin

Persian Emissary

Robert Maillet

Uber Immortal (Giant)

Patrick Sabongui

Persian General

Leon Laderach

Executioner

Dave Lapommeray

Persian General Slaughtered

Vervi Mauricio

Armless Concubine

Charles Papasoff

Blacksmith

Isabelle Champeau

Mother at Market

Veronique-Natale Szalankiewicz

Daughter at Market (3/5 years old)

Maéva Nadon

Girl at Market

David Thibodeau

Boy #1 at Market

David Schaap

Potter

Jean Michel Paré

Other Council Guard

Stewart Myiow

Persian General

Andreanne Ross

Concubine

Sara Giacalone

Concubine

Ariadne Bourbonnière

Kissing Concubine

Isabelle Fournel

Kissing Concubine

Sandrine Merette-Attiow

Contortionist

Elisabeth Etienne

Dancer

Danielle Hubbard

Dancer

Ruan Vibegaard

Dancer

Geneviève Guilbault

Slave Girl

Bonnie Mak

Slave Girl

Amélie Sorel

Slave Girl

Caroline Aspirot

Slave Girl

Gina Gagnon

Slave Girl

Tania Trudel

Slave Girl

Stéphanie Aubry

Slave Girl

Mercedes Leggett

Slave Girl

Stephania Gambaroff

Slave Girl

Chanelle Lamothe

Slave Girl

Sabrina-Jasmine Guilbault

Slave Girl

Manny Cortez Tuazon

Transsexual (Asian) #1

Cindy

Transsexual (Asian) #2

Atif Y. Siddiqi

Transsexual (Arabian) #3

Camille Rizkallah

Giant with Arrow

Trudi Hanley

Long Neck Woman

Neon Cobran

Litter Bearer/Slave

Gary A. Hecker

Ubermortal Vocals (voice)