From teen sleuth to leading lady: Millie Bobby Brown’s age in every Enola Holmes film and how her look evolved
From teen sleuth to powerhouse producer, Millie Bobby Brown grew up on screen in the Enola Holmes films — see how her age jumped between installments and how she seized the spotlight as a confident leading force.
Millie Bobby Brown basically grew up on Netflix. Stranger Things put her on the map, but the Enola Holmes movies are where she turned into a full-on leading lady and producer. With Enola Holmes 3 arriving July 1, the new trailer just dropped, and it looks like the series is aging up with her in all the right ways.
How Millie and Enola leveled up, movie by movie
- Enola Holmes (filmed 2019, released September 2020): Brown was 15–16 during production and had already turned 16 by the time the first film hit. It was one of her earliest big-screen leads, and she was also a producer from the jump.
- Enola Holmes 2 (filmed late 2021 into early 2022, released November 2022): She was 17 while shooting, turned 18 before release, and it shows on screen. Enola steps out on her own and opens a detective agency, and Brown plays her with more bite and confidence.
- Enola Holmes 3 (filmed 2025, releasing 2026 ): Brown was 21 during filming and is 22 for the release. Both actor and character are clearly in a new adult chapter, and the story leans into that.
The Enola Holmes 3 trailer: a wedding, Malta, and a missing Sherlock
Netflix rolled out the new trailer on June 9, and it wastes no time. It opens with Enola sprinting for her life in a wedding dress, dodging a masked attacker. Mixed in are glimpses of her and Tewkesbury, including a proposal that kicks the whole plot into gear.
The Holmes crew then heads to Malta for the wedding festivities. Obviously, the party does not stay a party. Enola gets pulled between the life she has built as a detective and the one she is about to start as a wife. And just to complicate things, Sherlock goes missing, which drags her into another high-stakes case. Yes, that means Henry Cavill is back as Sherlock.
The vibe is clear: this is Enola’s biggest test so far, personally and professionally, and the franchise is pushing her into a new lane rather than just repeating the last movie.
Release date, director, and Netflix's pitch
Enola Holmes 3 is directed by Philip Barantini and premieres July 1 on Netflix. The streamer summed up the hook like this:
'Detective by nature. Rebel by choice. Romantic by accident. Millie Bobby Brown is back in Enola Holmes 3. Directed by Philip Barantini. Premiering July 1.'
Why this arc works
The series has quietly turned Brown’s real-life growth into its secret weapon. Across three movies, you can track her going from a sharp, scrappy teen to an adult lead who also steers the production. Enola grows right alongside her, and each film feels like an actual step forward instead of a reset. If the trailer is any indication, the third movie keeps that streak alive — with a wedding, a vanishing Sherlock, and a heroine who finally has to decide what kind of life she wants to build.