Gwaed ar y Sêr
- Selemo: 1975
- Naha: United Kingdom
- Mofuta: Comedy, Horror
- Studio: Bwrdd Ffilmiau Cymraeg
- Lentsoe la sehlooho: wales, choir, school, evil child, school choir
- Motsamaisi: Wil Aaron
- Sebapali: Grey Evans, Hywel Gwynfryn, Dafydd Iwan, Dyfan Roberts, Wynford Elis Owen, Dafydd Hywel