T'Nia Miller

T’Nia Miller (born March 2, 1985) is a British screen and stage actor from London, England, recognized for bringing sharp intelligence and emotional depth to contemporary drama and genre storytelling. Across film and television, she has built a reputation for grounded performances that balance intensity with warmth.

Miller became widely known through prominent TV roles in series such as Witless (2016–2018), Years and Years (2019) and Free Rein (2019). Her international profile expanded with acclaimed appearances in Mike Flanagan’s gothic hit The Haunting of Bly Manor (2020), followed by the epic sci‑fi drama Foundation (2021) and the horror mystery The Fall of the House of Usher (2023).

On the feature side, her credits include Stud Life (as JJ), Anchor and Hope (as Lisa), Obey (as Chelsea), and The Disappeared (as Doctor). Additional work spans titles like Miss Fortunate, Daylight Rules, Dark Corners, and Good Thanks, You?, reflecting a career defined by range, bold choices, and a consistent on-screen presence.