Katja Mira Herbers is a Dutch actress. She is best known for portraying Dr. Helen Prins on the American television series Manhattan, the emo…Katja Mira Herbers is a Dutch actress. She is best known for portraying Dr. Helen Prins on the American television series Manhattan, the emotionally unstable borderliner Joyce on the Dutch show Divorce, and Emily in the HBO series Westworld. She currently stars in the CBS series Evil, which was renewed for a second season in October 2019.