Ken Marshall

Prince Colwyn

Lysette Anthony

Lyssa

Freddie Jones

Ynyr

Francesca Annis

Widow of the Web

Alun Armstrong

Torquil

David Battley

Ergo

Bernard Bresslaw

Cyclops

Liam Neeson

Kegan

John Welsh

Seer

Graham McGrath

Titch

Tony Church

Turold

Bernard Archard

Eirig

Belinda Mayne

Vella

Dicken Ashworth

Bardolph

Todd Carty

Oswyn

Robbie Coltrane

Rhun

Clare McIntyre

Merith

Bronco McLoughlin

Nennog

Andy Bradford

Darro

Gerard Naprous

Quain

Bill Weston

Menno

Lindsay Crouse

Princess Lyssa (voice) (uncredited)

Michael Elphick

Rhun (voice) (uncredited)

Derek Lyons

White Slayer with Tiger (uncredited)

Trevor Martin

The Beast (voice) (uncredited)

Dinny Powell

Slayer in the Swamp (uncredited)

Nosher Powell

Slayer in the Swamp (uncredited)

Tom Rumpf

Sword Fighter (uncredited)