The horny farmer McDonald has his wicked way with a goat. Life returns to normal for the family, until the goat gives birth! The mutant off spring, called Billy, is tormented by the Farmer's sons, only the daughter feels any pity for him. It isn't long before Billy, who keeps growing bigger, plans revenge..
Michael Balfour
as Gyles MacDonald
Samantha Perkins
as Ronnie MacDonald
Jackie D. Broad
as Gretta MacDonald
Bryan Heeley
as Ronald McDonald
Trevor Peake
as Ronald MacDonald
Norman Mitchell
as Mr. Allott
Dean Williamson
as Lance Abbott
Michael Ripper
as Old Pub Local
John Gugolka
as Will
John Abbott
as Tom
Elaine Ives-Cameron
as Rowan Morrison
Derek Ware
as PC Bob Peel
