Having recently appeared alongside Jude Law and Robert Downey, Jr. in director Guy Ritchie's film adaptation of Sherlock Holmes, London, ON-born actor Rachel McAdams appears to be perched on the cusp of huge stardom. Acting since age 12, McAdams has amassed a solid film dossier in the last decade while staying poised and keeping her head off-screen - at least compared to some of her co-stars (yes LiLo, we mean you).