Another TV legend is set to say goodbye to the Cobbles, with an exciting new gig already lined up that'll bring her to the Emerald Isle. Claire Sweeney joined the soap in 2023, playing Cassie Plummer, who is Tyrone Dobbs’ mum, but she’s preparing to leave the show. Claire Sweeney, Coronation Street. Claire Sweeney looks unrecognisable as she joins Coronation Street. Pic: ITVClaire will be playing Miss Hannigan in the show Annie, taking over from Strictly Come Dancing contestant and drag queen La Voix, from July.