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.
Once Upon a Time (season 4)
On September 4, it was revealed that Frances O’Connor was cast as Belle's mother, Colette for the sixth episode, although appearances later on in the season were also hinted. A new character, Lily, has been cast to Nicole Muñoz, while Sally Pressman was given the role of Helga. It was announced on November 5, 2014 that Victoria Smurfit would be portraying Cruella de Vil in a recurring capacity later on in the season and that hints will be placed in the next few episodes. Another Disney villain was also cast in the form of Ursula from The Little Mermaid who was portrayed by Merrin Dungey, the character portrayed is named after the original sea-goddess who was portrayed by Yvette Nicole Brown in the season 3 episode, "Ariel". Straten, Smurfit, and Dungey all first appeared in the winter finale, "Heroes and Villains", and are collectively called the "Queens of Darkness".