
Gwaed ar y Sêr
- annos singulos: 1975
- Patriam: United Kingdom
- genus: Comedy, Horror
- Studio: Bwrdd Ffilmiau Cymraeg
- keyword: wales, choir, school, evil child, school choir
- Director: Wil Aaron
- cast: Grey Evans, Hywel Gwynfryn, Dafydd Iwan, Dyfan Roberts, Wynford Elis Owen, Dafydd Hywel