She was inspired by two of her teachers, who taught her English and drama, respectively, in the eleventh and twelfth grades.Mc Adams intended to take Cultural studies at the University of Western Ontario before being persuaded by her drama teacher that a professional acting career was a viable option.In 2005, she starred in the romantic comedy Wedding Crashers, the psychological thriller Red Eye, and the family comedy-drama The Family Stone.
She also was involved in school stage productions, most notably winning a performance award at the Sears Ontario Drama Festival.
After a two-year career break, Mc Adams starred in two limited release films in 2008; the film noir Married Life and the road trip comedy-drama The Lucky Ones.
She returned to prominence in 2009 by appearing in the political-thriller State of Play, the science-fiction romantic drama The Time Traveler's Wife and the mystery action-adventure film Sherlock Holmes.
Career In 2001, Mc Adams made her television debut in the MTV pilot Shotgun Love Dolls as Beth Swanson, which was filmed during spring break from York University.
She also made her Canadian film debut that year in the comedy My Name is Tanino.