
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.
Explore all movies appearances

In an adult world wrecked by opiate addiction, a high school horse rescuer seeks revenge on the animal who hurt her friend.

When a construction worker unexpectedly joins a local theater's production of Romeo and Juliet alongside his estranged teenage daughter, the drama onstage starts to mirror his own life.

When her family moves from New York City to New Jersey, an 11-year-old girl navigates new friends, feelings, and the beginning of adolescence.

A police shootout leaves four thieves dead during an explosive armed robbery attempt in Chicago. Their widows have nothing in common except a debt left behind by their spouses' criminal activities. Hoping to forge a future on their own terms, they join forces to pull off a heist.

Two strangers brush hands on a train and move in together days later, fabricating the history of their love as they go along.

Best friends Minnie and Callie's relationship is upended on the eve of their senior year.
Subscribe for exclusive insights on movies, TV shows, and games! Get top picks, fascinating facts, in-depth analysis, and more delivered straight to your inbox.