Who is John Blackwell's other child in The Secret Circle's coven?
While both audiences and cast wait with bated breath to find out, Circle's Shelley Hennig thinks the idea of good-girl Diana turning out to be the other Balcoin child would finally explain Diana's mysterious connection to Cassie (Britt Robertson). TVGuide.com pumped Hennig for scoop on who the other Balcoin child could be, as well as the arrival of Cassie's seemingly evil father, John Blackwell (Joe Lando). Plus: Sorry, Adam (Thomas Dekker), but Diana's getting a new love interest!
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