
Katherine Mallen Kupferer
- Known for
- Acting
- Born
- November 23, 2007 (age 18)
- Birthplace
- Chicago, Illinois, USA
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
Photos
Filmography
—2026
2025
2024
2023
2018
2016
The Attentionist
The Attentionist
TV · as Maeve · 8 eps

Mouse
Movie · as Minnie Dunn

They Rescue Horses, Don’t They?
Movie · as Aubrey

Ghostlight
Movie · as Daisy

Are You There God? It's Me, Margaret.
Movie · as Gretchen Potter

Widows
Movie · as Gun Daughter

Fools
Movie · as Vera’s daughter

