Madison's childhood dream was acting and she finally accomplished this dream at the age of 10. In 2012, she made her acting debut by starring the role of Dodie Lee in an adventure drama film On the Road. That year she also played the role of Jessica Brady in an American political satire comedy movie The Campaign. She got her rise in fame in 2014 after she portrayed the role of Audrey Hart in an American anthology crime drama television series True Detective. She is critically acclaimed for starring the role of Janet Hodgson in an American supernatural horror film The Conjuring 2. She is five feet and one inch in her height. Her nationality is American and she is of white ethnicity. Her net worth is unknown.