Jeffery A. Baker

Spartan

Brian Danner

King Leonidas

Orion Barnes

Themistocles

Brian James

Narrator (voice)

Tanya Donelly

Additional Narration (voice)

Douglas K. Plamte

Additional Narration (voice)

Nathan Hedrick

Dieneces

David C. Hernandez

King Xerxes

Douglas K. Stuart

Persian Advisor

Erin Beinenfeld

Leonidas' Mother

Phil Brown

Spartan Ephor

Leena Huff

Dieneces' Mother

Liam Jones

Leonidas, age 7

TJ Cencula

Spartan Drill Sargeant

Anton Burman

Dieneces, age 7

David Padrusch