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Once Upon a Time - Season 5 - Young Zelena & Regina Cast

TVLine has learned that Ava Acres, who recurs on Crazy Ex-Girlfriend (as Young Rebecca) and who also memorably haunted Agents of S.H.I.E.L.D.’s Melinda May during the Cavalry’s backstory, has been cast in Episode 19 as Young Regina.

English actress Isabella Blake-Thomas (BBC’s The Green Balloon Club), meanwhile, will play Young Zelena in the same episode, which is titled “Sisters.”

Seen at age 10, Regina is described as neglected and lonely, with zero interest in her mother’s royal duties. Twelve-year-old Zelena meanwhile is coming to terms with the magical ability her father despises so much.

“[Zelena] is absolutely not done,” co-creator Eddy Kitsis recently told TVLine. “The Zelena story in Oz, with Dorothy, will tie into our Underworld story pretty significantly.”