Exclusive: The Secret Circle Casts Cassie's Mysterious Father John Blackwell

It's the moment The Secret Circlefans have been waiting for since the new CW series premiered: Cassie's father, the mysterious John Blackwell, is coming to Chance Harbor.

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Joe Lando has been tapped to portray Blackwell, whose original name in the L.J. Smith book series was Black John, a former member of the Circle many centuries ago who was killed by his own coven after he began to dabble in dark magic.

In the CW series, Blackwell is described as a commanding, enigmatic and powerful witch with many enemies. He'll return to Chance Harbor in Episode 15 (titled "Return") claiming to be a changed man, and determined to protect Cassie (Britt Robertson) and her Circle.

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Lando is best-known for playing Byron Sully in Dr. Quinn, Medicine Womanand starring alongside A.J. Cook and Hayden Christensen in the short-lived series Higher Ground. His other TV credits include the Melrose Placereboot, NCISand ABC Family's Wildfire.

The Secret Circle airs Thursdays at 9/8c on The CW.