Cast & crew
Otherworld (2003)
Directed by Derek W. Hayes Written by Martin Lamb, Penélope Middleboe
Cast
| Jenny Livsey | Rhiannon (voice) |
| Daniel Evans | Manawydan (voice) |
| Gruffydd Davies | Young Lleu (voice) |
| Matthew Rhys | Lleu Llaw Gyffes (voice) |
| Sue Jones-Davies | Sian (voice) |
| Ioan Gruffudd | King Bendigeidfran (voice) |
| Mali Harries | Cigfa (voice) |
| Peter Gruffydd | Math (voice) |
| Robert Gwyn Davin | Llwyd (voice) |
| Aneirin Hughes | Gronw (voice) |
| Clare Isaac | Branwen (voice) |
| Richard Lynch | Ben (voice) |
| Richard Mylan | Pryderi (voice) |
| Anton Lesser | Teyrnon (voice) |
| Philip Madoc | Gwydion (voice) |
| Paul McGann | King Matholwch (voice) |
| Jack O'Kelly | Finn (voice) |
| Lisa Palfrey | Arianrhod (voice) |
| Meic Povey | Gwyn |
| Catrin Powell | Elin (voice) |
| Sian Rivers | Blodeuwedd (voice) |
| Dilys Price | Llwyd (voice) |
| Alun Raglan | Efnisien (voice) |
| Mair Rowlands | Tevrnon's Wife (voice) |
| Paul Rhys | Lord Pwyll (voice) |
| Dorien Thomas | William (voice) |
| William Thomas | Hefeydd (voice) |
| Menna Trussler | Midwife (voice) |
| Gwyn Vaughan Jones | Gwawl (voice) |
| Eilian Wyn | Arawn (voice) |
| Geraint Wyn | Pendaran (voice) |
| Michael Povey | Gwyn (voice) |
| Sion Alun Davies | Young Lleu (voice) |
| William Thomas | Hefeydd (voice) |
| Stephen Armstrong | (additional voice) |
| Kathryn Dimery | (additional voice) |
| Sera Cracroft | (additional voice) |
| John Evans | (additional voice) |
| Simon Fisher | (additional voice) |
| Richard Elfyn | (additional voice) |
| Phyl Harries | (additional voice) |
| Tony Leader | (additional voice) |
Crew
| Derek W. Hayes | Director |
| Naomi Jones | Producer |
| Martin Lamb | Writer |
| Penélope Middleboe | Writer |
| Peter Thornton | Director of Photography |
| Tony Yates | Director of Photography |
| Nina Kellgren | Director of Photography |
| John Cale | Original Music Composer |
| William Oswald | Editor |