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.
Jerome Schwartz
After Zack Estrin was hired as showrunner for the ABC series "Once Upon a Times" new spinoff "Once Upon a Time in Wonderland" by Edward Kitsis, Jane Espenson and Adam Horowitz; he brought Schwartz on, since establishing a rapport with him on "Zero Hour". When "Wonderland" wasn't renewed for a second season; Schwartz became the only crew member to shift over to the mother series, joining its fourth year. Schwartz has contributed some notable episodes of the series such as: "Rocky Road," "Smash the Mirror," "The Broken Kingdom," and "Birth."