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.
Zelena (Once Upon a Time)
Sometime during her childhood, Zelena's adoptive mother dies. During her time as a teenager, Zelena, who by now is discovering her powers was about to be punished by her father, but is saved by Cora, and is brought to the Enchanted Forest to help save Regina after she tampered with a wand that left her unconscious. Zelena then saved Regina and the two become bonded but when Cora tells them that they're sisters, Cora erased their memories of having met each other because her presence could alter Regina's future as the Queen. Zelena is sent back to Oz with her memories of meeting her mother and Regina wiped. "