<P> Rachel Kelly Tucker ( born 29 May 1981 ) is a Northern Irish singer and actress who competed as one of the finalists in the BBC talent show - themed television series I 'd Do Anything in 2008 . She is perhaps best known for playing Elphaba in the hit musical Wicked in the West End , where she played the role longer than any other actress in the production 's history , and on Broadway . </P>
who played the wicked witch in wicked on broadway
Rachel Kelly Tucker