Shadrach Smith and his school choir do their best to ensure that the local celebrities hired to appear at a concert in a village hall don't make it to the stage and slaughter anyone they believe is getting in their way. Released in 1974/1975.
Grey Evans
Shadrach Smith
Hywel Gwynfryn
Himself
Dafydd Iwan
Dyfan Roberts
Policeman
Wynford Elis Owen
Chief Inspector Bevan
Dafydd Hywel
Acting
Eleanor Dwyryd
Herself
Barry John
Eleanor Jones
John Pierce Jones
Second Constable
Charles Williams
Mrs. Hyde
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The Perfect Score
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Terror Firmer
Billy Jack
Deathgasm
The Ladykillers
Nekrotronic
How to Eat Fried Worms
Aderyn Papur... and Pigs Might Fly
The Wolf Man
School of Frights
Wild Child
Carrie
Phantom of the Paradise
South Park: Bigger, Longer & Uncut