 Amanda Harrison was originally cast as Elphaba , with Lucy Durack as Glinda . The original cast consisted of Rob Mills as Fiyero , Anthony Callea as Boq , Rob Guest as the Wizard , Maggie Kirkpatrick as Madame Morrible , Penny McNamee as Nessarose and Rodney Dobson as Doctor Dillamond . Guest unexpectedly died months into the Melbourne season , with the role being taken up by Bert Newton . 
