Kathryn Hahn was a recent guest on Mythical Kitchen's Last Meal, and the Agatha Harkness actress was asked by the host to share her desired adversary for Agatha to face in her next television or ...

Witches unite! Kathryn Hahn stopped by The Tonight Show starring Jimmy Fallon on Wednesday to discuss her role as the witch Agatha Harkness in the upcoming Marvel series Agatha All Along.