Scarlett Byrne Cast as Key Character on Falling Skies Season 4

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Scarlett Byrne is going from wizards to aliens.

The actress, best known for her role as Pansy Parkinson in the Harry Potter film franchise, has been cast as a series regular on Falling Skies Season 4.

According to Deadline sources, Byrne will play a "key" role on the TNT drama, coming on board as a mysterious young woman who possesses both powers and a connections to the aliens.

Watch the following trailer and take note of her character in the concluding shot:

Falling Skies returns to TNT in the summer of 2014.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.

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Falling Skies Quotes

Karen: Glad you came Hal. I wasn't sure you got my message.
Hal: Loud and clear.

Girl: Nice one, Benji.
Ben: Stop calling me that.