The 62-year-old Polish countess, who made her name in the late '70s by pretending to be famous in a US haircare advert, will take on the role of Claudia, an old friend of Audrey Roberts (Sue Nicholls).
A Coronation Street spokesperson this morning told DS: "Rula will play a glamorous friend of Audrey's who she meets up with at a function. She makes Audrey think about her life and what she wants out of it."
She will film her scenes on Friday, October 16 and will appear on screen in the run-up to Christmas.
Lenska's other screen credits over the years have included Minder, Footballers' Wives, Casualty and EastEnders, in which she played Frank Butcher's (Mike Reid) girlfriend Krystal in the BBC soap's Spanish special in January 2002.
