Nancy DeMars was born in Sacramento, California, to parents Cliff Olsufka and Judy Loofe. She moved to Walthill, Nebraska at age 12. After a year of studying Music Education as a percussionist, Nancy attended the University of Nebraska in Lincoln and graduated with a BS Degree in Textiles, Clothing, and Design. She is an actress and producer, known for Top Gun: Maverick (2022), Sons of Anarchy (2008), True Detective (2012), and Gone Girl (2014).