Coronation Street star quits soap after 3 years as new job is announced alreadyClaire Sweeney, who currently stars as Cassie Plummer on Coronation Street, is set to leave the ITV soap after three years, with her new job already announcedView 4 Images A cCoronation Street star is leaving the soapClaire Sweeney is leaving Coronation Street. ‌The former Dancing on Ice star will now be taking on the part of Miss Hannigan in a new production of the classic musical throughout 2026. ‌On Thursday, the official Instagram account for the Annie tour wrote on Instagram: "Someone pinch us please...Claire Sweeney is Miss Hannigan! Don't miss Claire as our Mother of the Year!" ‌View 4 Images Claire Sweeney is leaving Coronation StreetA Coronation Street spokesperson told The Sun: “We wish Claire every success playing Miss Hannigan and congratulate her on being offered a role she has long wanted to play.