Kathryn Hahn reveals that she and John C. Reilly improvised a plot to murder Adam Scott's character in 'Step Brothers.' ...

Kathryn Hahn is revisiting some of the wildest improvisations that made it into Step Brothers — and some that didn’t. “That was, like, also such a specific time in comedy,” Hahn told ...

Kathryn Hahn is revisiting some of the wildest improvisations that made it into Step Brothers — and some that didn’t. The Agatha All Along star, 51, was Jesse Tyler Ferguson’s latest guest on his ...

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Kathryn Hahn, born in Westchester, Illinois, is a Hollywood powerhouse known for her versatility and magnetic appeal. Her role as Agatha Harkness in WandaVision made her a household name ...