Francois Durand/Getty Images Europe
Robin Tunney as Sarah Bailey
Robin Tunney played Sarah Bailey, the mysterious new girl from San Francisco who happens to be a "blood witch." Tunney, who wore a wig throughout shooting as she'd shaved her head for a role in Empire Records, went on to score a major role in the TV series Prison Break, and can currently be seen solving crimes on the CBS crime drama The Mentalist.