Stephanie J. Block (former Elphaba – Broadway, 1st Natl. Tour; former ensemble, u/s Elphaba – Pre-Broadway) read the role of Elphaba during early readings before Idina Menzel (original Elphaba – pre-Broadway, Broadway, West End).
Caissie Levy (former Elphaba, s/b Elphaba – Los Angeles; former ensemble, u/s Elphaba – Broadway) performed as Sheila at her summer camp in a Hebrew production of HAIR. She later went on to play the same role in the 2009 Broadway revival.
Annaleigh Ashford (former Glinda – Chicago, Broadway; former ensemble, u/s Glinda – 1st Ntl. Tour), Richard H. Blake (Fiyero – Broadway; former Fiyero – 1st Natl. Tour), Laura Bell Bundy (s/b Glinda – Original Broadway Cast), Gaelen Gilliland (former ensemble, u/s Madame Morrible – Broadway), Manuel Herrera (Chistery – Original Broadway Cast; former ensemble – Broadway) and Andy Karl (former Fiyero – Broadway production), were in the original Broadway cast of LEGALLY BLONDE. The 2007 MTV airing of the show consisted mostly of the people from the Original Broadway Cast; however, Asmeret Ghebremichael (former ensemble – Broadway) performed the role of Pilar.