Naomi Wirthner

Naomi Wirthner is a British actress and theatre manager.

Career Wirthner trained in acting at the Bristol Old Vic Theatre School.

Wirthner's most prominent role was as Molly Doran in the Apple TV spy series Slow Horses. Alongside her co-stars, she received a nomination for the Screen Actors Guild Award for Outstanding Performance by an Ensemble in a Drama Series. She also had a role in the BBC series Crookhaven, and will next appear as Madam Malkin in HBO's Harry Potter.

Personal life Wirthner has two sons with actor Stephen Dillane, including Frank Dillane.

Filmography Film Year Title Role Notes 2020 The Man in the Hat The One Shoe'd Woman 2023 The Unlikely Pilgrimage of Harold Fry Kate 2024 The Outrun Amanda 2025 How to Train Your Dragon Gothi H Is For Hawk GP 2026 Supergirl Doctor

Television Year Title Role Notes 1990 El C.I.D. Nurse 1 episode 1993 Between the Lines Mrs. Banthorpe 1993 Wycliffe Female Doctor 1995 Soldier Soldier Sandra Quinn 2 episodes 2002 Babyfather Youth Officer 1 episode 2021 Alex Rider Dr. Lambert 2 episodes 2022-present Slow Horses Molly Doran Recurring role, 11 episodes 2023 The Continental: From the World of John Wick Fake Mazie Miniseries, 1 episode 2025 Missing You Florence Khol Miniseries, 3 episodes 2026 Crookhaven Matilda Jericho Recurring role, 7 episodes Madam Malkin Upcoming series