During the following year, the young actress got the lead role in BBC America’s paranormal drama-thriller series "Intruders ". Millie played Madison O'Donnell - a 9-year-old girl, who had nightmares and excruciating headaches after meeting with a mysterious stranger on the beach.
I’ve been acting since I was 9, so not exactly a baby. Acting, you can kind of go by instinct. Or you can go to school if you really want to try, but right now people look for kids with instinct, who are very natural, and that is what I try to do.