Ruthie Henshall is one of two latecomers heading to Gwrych Castle for this year's I'm A Celebrity. Incoming: Ruthie Henshall is one of two latecomers heading to Gwrych Castle for this year's I'm A Celebrity. Actress: Ruthie made her name on the stage, starting out in 1986, before making her West End debut in Cats in 1987 'I had no …