A knight in the service of a duke goes to a coastal village where an earlier attempt to build a defensive castle has failed. He begins to rebuild the duke's authority in the face of the barbarians at the border and is making progress until he falls in love with one of the local women.
| Actor | Role |
|---|---|
 Charlton HestonChrysagon | Chrysagon |
 Richard BooneBors | Bors |
 Rosemary ForsythBronwyn | Bronwyn |
 Maurice EvansPriest | Priest |
 Guy StockwellDraco | Draco |
 Niall MacGinnisOdins | Odins |
 James FarentinoMarc | Marc |
 Henry WilcoxonFrisian Prince | Frisian Prince |
| SSammy RossVolc | Volc |
 Woodrow ParfreyPiet | Piet |
 John AldersonHolbracht | Holbracht |
 Allen JaffeTybald | Tybald |
 Michael ConradRainault | Rainault |
| DDal JenkinsDirck | Dirck |
| JJohnny JensenBoy Prince | Boy Prince |
| FForrest WoodChrysagon Man | Chrysagon Man |
 Belle MitchellOld Woman | Old Woman |
 Paul FreesNarrator (voice) (uncredited) | Narrator (voice) (uncredited) |
 Kent McCordExtra (uncredited) | Extra (uncredited) |
 William O'ConnellVolunteer Rejected by Chrysagon (uncredited) | Volunteer Rejected by Chrysagon (uncredited) |