The 27-year-old actress was in talks to play the part of Theodorah, the younger sister of Evanorah, who goes on to become the witch, in the Disney movie.
After a meeting, director Sam Raimi and actor James Franco, who will appear as the Wizard of Oz, were convinced of her being perfect for the role as Dorothy's nemesis, reported Contactmusic.
Writer David Lindsay-Abaire, famous for his play 'Rabbit Hole' has written the script and with Oscar nominated Franco in the lead, the new film is a sort of a prequel the Judy Garland movie and depict how the Wizard arrived in Oz and became the ruler.