Kathryn Hahn returns as Agatha Harkness in Marvel TV's new 'WandaVision' spinoff, 'Agatha All Along.'
The actress is reprising her role as Agatha Harkness, which she originated in 'Wandavision.'
Kathryn Hahn chats with ET's Kevin Frazier at the 2024 Screen Actors Guild Awards, streaming live on Netflix.