Keeley Karsten is an American actress.
A native of New York City, Karsten rose to prominence when she was cast in the Steven Spielberg film The Fabelmans (2022). In March 2025, Karsten was cast in Malcolm in the Middle: Life's Still Unfair (2026), a miniseries revival of the comedy series Malcolm in the Middle (2000–2006). Karsten portrayed the titular character's daughter Leah. Karsten will next appear in the Apple TV miniseries The Savant.
Outside of acting, Karsten is an advocate for mental health, and serves as an ambassador for Lady Gaga's Born This Way Foundation.
| Year | Title | Role | Notes |
|---|---|---|---|
| 2022 | The Fabelmans | Natalie Fabelman | |
| 2024 | Adult Best Friends | Young Delaney |
| Year | Title | Role | Notes |
|---|---|---|---|
| 2019 | Evil Lives Here | Child Pam Sinclair | 1 episode |
| 2020 | Hunters | Convent Girl #1 | 1 episode |
| 2026 | Malcolm in the Middle: Life's Still Unfair | Leah | Miniseries, 4 episodes |
| 2027 | The Savant | Reg | Upcoming miniseries |