Famous for his Somerset Maugham Award-winning debut novel My Life Closed Twice and for his BAFTA-winning television adaptation of William Horwood's novel Skallagrigg, Williams is also notable for his Emmy-nominated teleplay for the Elizabeth I miniseries (starring Helen Mirren).
He attended Oriel College, Oxford University; produced his first play, Marbles, in 1974; and published his debut novel, My Life Closed Twice, in 1977.
His stage plays include Class Enemy (first produced at the Royal Court Theatre in 1978) and Nativity (staged at the Tricycle Theatre in 1989).
He spent his youth in Cheshire, England, and later relocated to London with his wife and three children.
He wrote most of the Season Two episodes of the award-winning television series Jim Henson's Storyteller.