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.
Once Upon a Time (season 7)
On September 8, it was announced that Meegan Warner would be guest starring as an alternate version of Rapunzel, a character previously featured in one episode of season 3. It was later revealed that the character would appear in a multi-episode arc. On September 20, it was announced that former main Rebecca Mader would return for multiple episodes in the seventh season as Zelena, who will also have a cursed identity.