Keeley Karsten is an American actress who first gained recognition for her role as Natalie Fabelman in Steven Spielbergās semi-autobiographical film, The Fabelmans (2022). In 2026, she starred as Leah, the sharp-witted daughter of Malcolm (Frankie Muniz), in the revival series, Malcolm in the Middle: Life's Still Unfair.
Born and raised in New York City, Karstenās passion for performance began on the stage. She notably starred in the world premiere of the play Summer Session with The Bones Brigade. Her transition to the screen was marked by early success in the short film On Being Twelve, for which she earned the Jury Prize for Best Young Actress at the Snow Leopard International Film Festival.
Her additional television credits include a role in the Amazon original series Hunters, and the documentary series Evil Lives Here. In 2026, she also appeared in the series The Savant for Apple TV+ alongside Jessica Chastain. Karsten is a skilled singer. She also wrote and starred in her own short film, Viceroy.
Karsten is a dedicated advocate for mental health, serving as an ambassador for Lady Gaga's Born This Way Foundation. She now resides in California.
Viceroy(2020)
The Savantas Reg
Malcolm in the Middle: Life's Still Unfair(2026)as Leah
Adult Best Friends(2024)as Young Delaney
Pretty Doesn't Hurt(2023)as Julia
Entanglement(2022)as The Cheerleader
Backstage Features(2021)as Self
