Here is a list of the main cast and characters on the CW series The Secret Circle.
Britt Robertson as Cassie Blake
Cassie is normal, happy teenager until her mother dies and she moves to the small town of Chance Harbor, Washington, to live with her grandmother. She's unsure of her place, but several of her new classmates seem to know. She, like them, is a witch, and they need her to complete the Secret Circle, a powerful group of six family witches.
Thomas Dekker as Adam Conant
Adam is one of the two male members of The Secret Circle. He and Cassie form a connection, even though he is Diana's boyfriend. Adam's father, Ethan, was in love with Cassie's mother, and her departure from Chance Harbor years ago drove Ethan to despair and drinking.
Gale Harold as Charles Meade
Charles is Diana's father. He and Dawn have deadly powers they plan to unleash and ulterior motives for uniting the new generation. But why have they brought the Circle together? And who will be at risk as their sinister plan takes shape?
Shelley Hennig as Diana Meade
Diana is a sweet-natured classmate who takes Cassie under her wing. She's the leader of the coven and the one with the strongest moral compass, although she has a bit of a controlling nature. Her infectious attitude and gets Cassie to put her magical powers to good use.
Phoebe Tonkin as Faye Chamberlain
Principal Chamberlain's daughter, Faye is the resident mean girl, with a tough exterior and seeking to use her powers to benefit only herself, causing a power struggle with Diana.
Jessica Parker Kennedy as Melissa Glaser
Faye's sidekick, Melissa is a mean girl, albeit an insecure one. She fears becoming lost in Faye's shadow and feels she must learn to face her insecurities and become her own person.
Natasha Henstridge as Dawn Chamberlain
Dawn is principal of the high school that the members of the coven attend. Outwardly, she seems protective of the witches, but she secretly has ulterior motives as part of her plot with Charles Meade.