ITV has announced that Claire Sweeney will be leaving the cobbles for good after nearly three years on Coronation Street. Claire Sweeney as Cassie Plummer in Coronation Street. Add Radio Times as a Preferred Source on Google Keep up to date on what’s worth watching with your favourite entertainment news from Radio Times – see more of our exclusive news and interviews featured prominently in Top Stories when using Google. Coronation Street airs weeknights at 8:30pm on ITV1 and ITVX. Add Coronation Street to your watchlist on the Radio Times: What to Watch app – download now for daily TV recommendations, features and more.