Madison Lintz began her acting career when she was only 6 years old. Madison appeared in several commercials and made a national commercial for Golden Corral that aired across the country. Madison's first appearance was in February 2011 on the show It's Supernatural (2007). Madison's big acting break came when she auditioned for the role of Sophia Peletier in the popular show The Walking Dead (2010) and landed a role in the upcoming film After (II) (2011), playing "young Ana" in 2011.

Madison loves horses and pandas, and she has hamsters. Madison comes from an acting family, including her mother Kelly Lintz, two brothers Matthew Lintz and Macsen Lintz, and sister Mackenzie Lintz.