Biography
Naomi Wirthner is a British actress and theatre manager. She trained at the Bristol Old Vic Theatre School.
She is known for her recurring role as Molly Doran in the Apple TV+ series Slow Horses (2022–), for which the cast received a Screen Actors Guild Award nomination for Outstanding Performance by an Ensemble in a Drama Series. Her film credits include Amanda in The Outrun (2024), Kate in The Unlikely Pilgrimage of Harold Fry (2023) and Gothi in How to Train Your Dragon (2025). Television roles also include appearances in Alex Rider (2021), The Continental: From the World of John Wick (2023) and Missing You (2025).
Wirthner has two sons with actor Stephen Dillane, one of whom is actor Frank Dillane. She is set to appear as Madam Malkin in the HBO series Harry Potter.
