Beverley Callard has admitted she is "trying to be strong" after receiving a cancer update. The actress, 69, who is best known for having starred as Rovers Return landlady Liz McDonald on Coronation Street , recently located to Ireland with her husband Jon McEwan so she could star in the BBC soap Fair City. But just before filming her first scenes, the star, who can currently be seen competing on the pre-recorded I'm A Celebrity ...South Africa series, received a call informing her that she had