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The actress, who plays Claire in the ABC series, will reportedly make a comeback as a full-time series regular for the show's final season.
"Damon [Lindelof] and I are very excited to bring Claire back to the show," said executive producer Carlton Cuse. "And even more excited for people to experience just how she will return."
It was recently announced that Elizabeth Mitchell is returning to the series in her role as Juliet Burke.
