Zelena (Once Upon a Time)
In December 2013, Rebecca Mader was cast as the Wicked Witch of the West. She made multiple appearances during the second half of season three and was promoted to a series regular for the show's fifth season. The role of the Wicked Witch of the West was written specifically for Rebecca Mader. It was announced that the writers had chosen not to continue with Zelena's storyline and Mader would not be returning for the seventh season of the show. However, Mader later revealed that she would be returning for multiple season seven episodes.
It's Not Easy Being Green (Once Upon a Time)
In this episode, with Rumplestiltskin as her slave, Zelena challenges Regina to a fight to the death and shocks the Evil Queen with the revelation of their familial connection, even while the town lays Neal to rest. Meanwhile, back in the past, in the land of Oz, a jealous Zelena asks the Wizard to send her to Enchanted Forest after discovering she has a sister, Regina, and that Rumplestiltskin is training her to become a powerful force to be reckoned with.