Justine Lupe-Schomp^[1] (born May 31, 1989^[2]) is an American actress. She gained prominence for her role as Willa Ferreyra in Succession (2018–2023). She is also known for her roles in Cristela (2014–2015), Mr. Mercedes (2017–2019), and The Marvelous Mrs. Maisel (2017–2023). She has also acted in the films Not Fade Away (2012), Frances Ha (2013), A Midsummer Night's Dream (2017), and Luckiest Girl Alive (2022)

Born in Denver, Colorado,^[2] Lupe is a 2007 graduate of Denver School of the Arts theater program and 2011 graduate of the Juilliard School in New York City.^[1] Her grandmother, Kay Schomp, has a theater named after her at the Denver School of the Arts.^[3]

Lupe's early film roles include the David Chase drama film Not Fade Away (2012), and the Noah Baumbach comedy film Frances Ha (2013). She played Flue in the 2017 film adaptation A Midsummer Night's Dream directed by Casey Wilder Mott. Her early television appearances include in Southland, Harry's Law, and Royal Pains (all in 2012). She then acted in Shameless in 2013 and Deadbeat in 2014. Lupe starred on the ABC sitcom Cristela. Lupe's run on Cristela began with the second episode, as she replaced another actress who played Maddie in the pilot. The series ran from 2014 to 2015. She then appeared on shows such as The Good Wife in 2015, Younger in 2016, and Madam Secretary from 2016 to 2018. She also starred alongside Jimmi Simpson in off-Broadway play Empathitrax written by Ana Nogueira.^[4] Elisabeth Vincentelli of The New York Times praised Lupe's performance describing it as "appropriately fidgety [and] raw-nerved".^[5]

She then took a leading role as Holly Gibney in the Audience series Mr. Mercedes (2017–2019). She also acted in the comedy series BrainDead (2016), and Bull (2017), and voiced roles in Robot Chicken (2022). She was cast in a recurring role as Astrid Weissman in The Marvelous Mrs. Maisel from 2017 to 2023. After recurring on Succession in its first two seasons, Lupe was made a series regular for its third season.^[6] During this time she appeared in the Snowfall (2017), the sitcom Alone Together (2018), and Sneaky Pete (2018). She then had a leading role as Nell Rutherford opposite Mila Kunis in the film Luckiest Girl Alive (2022).