Hugh Williams was a successful actor and dramatist. He collaborated with his second wife
Margaret Vyner on several plays, such as "The Grass is Greener". His sons include the actor
Simon Williams and the poet
Hugo Williams, his grandchildren include the actors
Tam Williams,
Amy Williams and
Kate Dunn and great-granddaughter is
Lily Dizdar. His daughter
Polly Williams, who died in 2004, was married to the actor
Nigel Havers.