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.
Elsa (Frozen)
Queen Elsa appears at the conclusion of the ABC fantasy drama series "Once Upon a Time"'s third season, released from an urn in which she had been sealed. She walks into Storybrooke searching for Anna. In the fourth season, she forges an ice wall that seals the town in and learns she has an aunt she was never told about named Ingrid who has the same ice powers as her. She is a proponent of Emma Swan and Killian Jones' then-budding relationship. She is portrayed by Georgina Haig.