Katherine plays both the roles of actror and film producer. Her performenace in ABC’s medical drama Grey’s Anatomy made her best known to the screen. This drama series had been screening for more than seven years since 2005, for which she was awared in 2007, the Primetime Emmy Award for Outstanding Supporting Actress in a Drama Series.
Before entering into the Hollywood as a full fledged actress, Katherine began to work as a child model for Wilhelmina Models. Publications such as Maxim, Vanity Fair, Cosmopolitan, and in several others captured herself as a cover model.