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.

Photos

Filmography

View Widows
Widows

Widows

2018Film
6.5
View Are You There God? It's Me, Margaret.
Are You There God? It's Me, Margaret.

Are You There God? It's Me, Margaret.

2023Film
7.2
View Ghostlight
Ghostlight

Ghostlight

2024Film
7.1
View Mouse
Mouse

Mouse

2026Film0
View Fools
Fools

Fools

2016Film
3.3
View They Rescue Horses, Don’t They?
They Rescue Horses, Don’t They?

They Rescue Horses, Don’t They?

2025Film0