William Charles Treacher (born 4th June 1930 in Dagenham, Essex, died 5th November 2022 in Ipswich, Suffolk) was an English actor who portrayed Arthur Fowler in EastEnders from February 1985 to May 1996. He was the first person to be cast for the show.
Treacher also appeared in Grange Hill, The Bill, The Bright Side and Casualty. He has also had roles in the films Tale of the Mummy, George and the Dragon and The Musketeer.
His son, Jamie Treacher, appeared in the 25th Anniversary Live Episode as DC Wayne Hughes.