omg! - What is the secret of The Secret Circle? That's the question raised in the new trailer for the upcoming CW series, which will debut at the Warner Bros. Comic-Con booth this week. Exclusive: The Secret Circle Taps Logan Browning The new promo offers a deeper look into the group of witches (Thomas Dekker and Shelley Hennig among them) that welcomes orphaned Cassie (Britt Robertson) into their coven. And thanks to Faye (Phoebe Tonkin), it's a fiery welcome.