Jackie Peyton is a fictional character from the television series Nurse Jackie, which aired from 2009 to 2015. She is portrayed by actress Edie Falco and works as a nurse in a busy New York City hospital. Jackie is known for her quick thinking and ability to handle high-pressure situations, often going above and beyond to care for her patients. Despite her professional skills, Jackie struggles with personal issues, including addiction to prescription drugs. Her character navigates the challenges of balancing her demanding job, family life, and her ongoing battle with substance abuse, making her a complex and relatable figure in the series.