My Fair Lady provided the singing voice of Audrey Hepburn in the film version. A U.S. tour of Mackintosh's 2001 West End production ran from September 12, 2007, to June 22, 2008. The production starred Christopher Cazenove as Higgins, Lisa O'Hare as Eliza, Walter Charles as Pickering, Tim Jerome as Alfred Doolittle and Nixon as Mrs. Higgins, replacing Sally Ann Howes. An Australian tour produced by Opera Australia commenced in May 2008. The production starred Reg Livermore as Higgins, Taryn Fiebig as Eliza, Robert Grubb as Alfred Doolittle and Judi Connelli as Mrs Pearce. John Wood took the role of Alfred Doolittle in
Marni Nixon Los Angeles Opera, Seattle Opera, San Francisco Opera and the Tanglewood Music Festival among others. In addition to giving recitals, she appeared as an oratorio and concert soloist with the New York Philharmonic under Leonard Bernstein, the Los Angeles Philharmonic, the Cleveland Orchestra, Toronto Symphony Orchestra, the London Symphony Orchestra and the Israel Philharmonic Orchestra among others. Nixon also toured with Liberace and Victor Borge and later in her own cabaret shows. On stage, in 1984, she originated the role of Edna Off-Broadway in "Taking My Turn", composed by Gary William Friedman, receiving a nomination for a Drama Desk Award.