Mystic Knights of Tir Na Nog: Cast Rate: –☹️ Very Bad🙁 Bad😐 Average🙂 Good😃 Excellent🤩 Super! ★ Save Rating✔ Rating Saved! Notify me: –about new episodeabout new seasonabout end of season Subscribe✔ Subscription Saved! Mystic Knights of Tir Na Nog Adventure, Fantasy, Action 9/12/98 – 5/7/99 United States GeneralEpisodesTranslationsCastCharactersGallery Cast See full cast → Lochlainn O'Mearáin as Rohan Lisa Dwan as Princess Deirdra Justin Pierre as Prince Ivar Vincent Walsh as Angus - Mystic Knight of Earth Charlotte Bradley as Queen Maeve Kelly Campbell as Aideen Stephen Brennan as King Conchobar Eric O'Cuinn as The IceLord