Person

Katherine Mallen Kupferer

Acting · Born 2007-11-23 · Chicago, Illinois, USA

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.

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  Widows

  Gun Daughter

• 

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

  Gretchen Potter

• 

  Ghostlight

  Daisy

• 

  Mouse

  Minnie Dunn

• 

  They Rescue Horses, Don’t They?

  Aubrey

• 

  Fools

  Vera’s daughter

• 2026MouseMinnie Dunn
• 2025They Rescue Horses, Don’t They?Aubrey
• 2024GhostlightDaisy
• 2023Are You There God? It's Me, Margaret.Gretchen Potter
• 2018WidowsGun Daughter
• 2016FoolsVera’s daughter