Elenco

• Gerard Butler — King Leonidas
• Vincent Regan — Captain
• Lena Headey — Queen Gorgo
• Rodrigo Santoro — Xerxes
• Stephen McHattie — Loyalist
• Tim Connolly — Leonidas' Father
• Marie-Julie Rivest — Leonidas' Mother
• Arthur Holden — Partisan
• Tom Rack — Ephor #3
• David Francis — Ephor #4
• John Dunn-Hill — Councilman
• Neil Napier — Spartan with Stick
• Maurizio Terrazzano — Sentry #2
• Alexandra Beaton — Burned Village Child
• Andrew Shaver — Free Greek-Potter
• Marcel Jeannin — Free Greek-Baker
• Robin Wilcock — Free Greek-Sculptor
• Jere Gillis — Spartan General
• Tyrone Benskin — Persian Emissary
• Robert Maillet — Uber Immortal (Giant)
• Patrick Sabongui — Persian General
• Danielle Hubbard — Dancer
• James Bradford — Ephor #5
• Kwasi Songui — Persian
• Dominic West — Theron
• David Wenham — Dilios
• Michael Fassbender — Stelios
• Tom Wisdom — Astinos
• Andrew Tiernan — Ephialtes
• Andrew Pleavin — Daxos
• Tyler Neitzel — Leonidas at 15 yrs
• Peter Mensah — Messenger
• Michael Sinelnikoff — Elder councilman
• Greg Kramer — Ephor #1
• Dylan Smith — Sentry #1