Justine Lupe-Schomp is an American actress. She is known for her roles on Mr. Mercedes, Succession, Cristela, and The Marvelous Mrs. Maisel. Lupe grew up in Denver, Colorado. She is a 2007 graduate of Denver School of the Arts theater program and 2011 graduate of the Juilliard School in New York City. Her grandmother, Kay Schomp, has a theater named after her at the Denver School of the Arts. Her father, John Lupe, is an exhibition specialist at the Denver Art Museum.