Sienna Tiggy Guillory (pronounced "Gil-ir-ee" (IPA: /ˈɡɪlərɪ/); born March 16, 1975) is an English actress, and a former model. She is the daughter of Isaac Guillory, an Anglo-Cuban folk guitarist, and the family environment gave her an interest in the entertainment industry. She has been featured in numerous British productions, and has gone on to roles in American productions. More recently, Guillory has appeared in a number of science-fiction and fantasy themed films aimed at teenage audiences..