| Prince Colwyn | Ken Marshall | |
| Princess Lyssa | 丽赛特·安东尼
 | |
| Ynyr | 弗雷迪·琼斯
 | |
| Lyssa Widow of the Web | 弗兰西丝卡·安妮丝
 | |
| Torquil | 艾伦·阿姆斯特朗
 | |
| Ergo | David Battley | |
| Rell the Cyclops | Bernard Bresslaw | |
| Kegan | 连姆·尼森
 | |
| The Seer | John Welsh | |
| Titch | Graham McGrath | |
| Turold | Tony Church | |
| Eirig | Bernard Archard | |
| Vella | Belinda Mayne | |
| Bardolph | Dicken Ashworth | |
| Oswyn | Todd Carty | |
| Rhun | 罗彼·考特拉尼
 | |
| Merith | Clare McIntyre | |
| Nennog | Bronco McLoughlin | |
| Darro | Andy Bradford | |
| Quain | Gerard Naprous | |
| Menno | Bill Weston | |
| Princess Lyssa (voice) (uncredited) | 林赛·克洛斯
 | |
| White slayer with tiger (uncredited) | Derek Lyons | |
| Slayer in the Swamp (uncredited) | Dinny Powell | |
