The EastEnders legend died at her home on Sunday at the age of 95.
We're remembering the cheeky star behind one of soap's biggest icons.
"There are not enough words to describe how much June was loved and adored by everyone at EastEnders," the BBC said.
The actor was best known for her roles as Peggy Mitchell’s sister Aunt Sal in the BBC soap and as Olive in the 1970s sitcom.
"Since appearing in the very first episode of EastEnders, Leonard created a truly iconic character in Dr Legg, who will always be remembered."
The actor is leaving his role as Queen Vic landlord Mick Carter after more than eight years.
The actor has played Mick Carter since 2013, but is moving onto pastures new later this year.
The former EastEnders star is the 11th star revealed for the new series.
A scene referencing Italy’s win over England will be inserted into the latest episode of the BBC soap.
About Eastenders
Having launched in 1985, 'EastEnders' remains one of the most popular soaps on TV, alongside rivals 'Coronation Street', 'Emmerdale' and 'Hollyoaks'. Over the years, the show has introduced us to characters such as Dot Branning, Phil and Grant Mitchell, Mick Carter, Ian Beale, Sharon Watts, Stacey Slater, Kat and Alfie Moon, Pat Butcher and, of course, Peggy Mitchell, who was killed off in an emotional suicide storyline in 2016. It focuses on the lives, loves and loses of the residents of Albert Square in the fictional London district of Walford, which is also home to the iconic Queen Victoria pub. Among the present cast are Danny Dyer, Shane Richie, Jessie Wallace, Kellie Bright, Jake Wood, Jacqueline Jossa, June Brown, Lacey Turner and Richard Blackwood. On this page you will find all the latest 'EastEnders' news, spoilers, storyline details, casting announcements and pictures from your favourite soap.