William was born in Liverpool, a city in North West England, and relocated to Oldham, a town in Greater Manchester, at the tender age of nine. This pivotal move marked the beginning of a lifelong journey that would take him to the stages of some of the world's most renowned theatres. His impressive theatre credits include the esteemed role of Toby Belch in 'Twelfth Night', performed with the prestigious Royal Shakespeare Company, as well as Valk in 'The Jail Diary of Albie Sachs', Snawley and Tompkins in 'Nicholas Nickleby', and the Club Secretary in 'Comedians', alongside the legendary Jimmy Jewel at the iconic Old Vic Theatre. Furthermore, Bill showcased his exceptional talent in his own one-man show, a poignant portrayal of Brendan Behan.
In addition to his impressive theatre work, William's television credits are equally impressive, featuring memorable performances in the series "The Wives of Henry VIII", where he played the esteemed role of The Duke of Cleves, as well as Sergeant Petty in "The Case of the Frightened Lady" and Crookes in "Strangers". His television appearances also include notable roles in "Coronation Street", "The Dustbin Men", "Z Cars", "When the Boat Comes In", "Funnyman", "Softly, Softly", "Dempsey and Makepeace", and "Brookside". His film credits are equally impressive, featuring standout performances in "The Ploughman's Lunch", "Cicero", "Blood Beast Terror", and "The Witchfinder General".