



Katherine Mallen Kupferer
Acting

Biography
Born to theatrical parents, Katherine Mallen Kupferer made her professional stage debut in Chicago Shakespeare Theater's acclaimed production of Gypsy and her major motion picture debut in Steve McQueen's Widows. Most recently, she can be seen as Gretchen in Lionsgate's long-anticipated film adaptation of Judy Blume's beloved classic Are You There God, It's Me, Margaret.
Known For
Acting History
2026
Mouse
as Minnie Dunn
2025
They Rescue Horses, Don’t They?
as Aubrey
2024
Ghostlight
as Daisy
2023
Are You There God? It's Me, Margaret.
as Gretchen Potter
2018
Widows
as Gun Daughter
2016
Fools
as Vera’s daughter





