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Countess Isobel Marguerite Thoreau, 'Smallville'
Played by: Kristin Kreuk
Oct. 30, 2013
Countess Isobel was a French witch and Lana Lang's ancestor. She occasionally took over Lana's body in an effort to find the three stones of knowledge and to exact vengeance on Genevieve for killing her so many years ago.