With filming for Secret Circle about to begin in Vancouver, the casting spoilers are rolling in. Zap2it reports that Shelley Hennig (Days Of Our Lives) has been cast in the roll of Diana Meade, the coven leader in New Salem. Diana, 18, is described as smart, sexy and a classic beauty. She immediately befriends Cassie and is her first friend. Cassie likes her and thinks she has a good heart. She is dating Adam~Thomas Dekker, which bums Cassie out. She and Faye~Phoebe Tonkin clash over Cassie.