Richard Egan

King Leonidas

Ralph Richardson

Themistocles of Athens

Diane Baker

Ellas

Barry Coe

Phylon

David Farrar

Xerxes

Anne Wakefield

Artemisa

Donald Houston

Hydarnes

Anna Synodinou

Gorgo

Robert Brown

Pentheus

Laurence Naismith

First Delegate

Ivan Triesault

Demaratus

Charles Fawcett

Megistias

Michalis Nikolinakos

Myron

Sandro Giglio

Xenathon

Anna Raftopoulou

Toris

Dimos Starenios

Samos

Yorgos Moutsios

Demophilus of Thespiae

Nikos Papakonstantinou

Grellas

Kostas Baladimas

Zannino

Kieron Moore

Ephialtes

John Crawford

Agathon the Spartan Spy

Gian Paolo Callegari

Writer

Rudolph Maté

Director

Remigio Del Grosso

Writer

Geoffrey Unsworth

Director of Photography

Manos Hatzidakis

Original Music Composer