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Enola Holmes 3 cast: Who stars with Millie Bobby Brown in the Netflix threequel?
Your essential guide to the cast of Enola Holmes 3.
John Wilson/Netflix ©2026.
- Patrick Cremona
Published: Wednesday, 1 July 2026 at 12:31 pm
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Millie Bobby Brown is back on our screens for a third Enola Holmes adventure – with Sherlock's sleuthing sister this time solving a case in Malta, where she had travelled to tie the knot with her beau Tewkesbury.
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The ever prolific Jack Thorne once writes the script for this latest instalment, while his Adolescence collaborator Philip Barantini takes over behind the camera from previous director Harry Bradbeer.
Meanwhile, Brown is joined in the cast once again by Henry Cavill, Helena Bonham Carter and Louis Partridge – all of whom reprise their roles – while Himesh Patel is on board as Dr Watson after popping up for a brief cameo at the end of the last outing.
Read on for a guide to the actors appearing in the film and the characters they play.
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Enola Holmes 3 cast: Who stars with Millie Bobby Brown in the Netflix threequel?
You can find the main cast list below – scroll down for more information about the main players.
- Millie Bobby Brown as Enola Holmes
- Henry Cavill as Sherlock Holmes
- Louis Partridge as Lord Tewkesbury
- Helena Bonham Carter as Eudoria Holmes
- Himesh Patel as Dr John Watson
- Jason Watkins as Brigadier Sampson
- Joe Azzopardi as Mikiel Mizzi
- Sharon Duncan-Brewster as Mira Troy / Moriarty
- Susan Wokoma as Edith
- Hattie Morahan as Lady Tewkesbury
- Peter Winfield as Cambridge
- Mike Parish as Chelmsford
Millie Bobby Brown as Enola Holmes
Millie Bobby Brown as Enola Holmes in Enola Holmes 3. John Wilson/Netflix ©2026.
Who is Enola? Sherlock's fiercely independent younger sister who is also a gifted detective in her own right. In this third film, Enola finds her wedding day to Tewkesbury derailed by the kidnapping of her brother.
What else has Millie Bobby Brown been in? Brown became a global star as Eleven in Netflix's Stranger Things, and has led the two previous Enola Holmes films as well as the fantasy adventure Damsel and sci-fi film The Electric State.
Henry Cavill as Sherlock Holmes
Henry Cavill as Sherlock Holmes in Enola Holmes 3 Courtesy of Netflix ©2026
Who is Sherlock? The world's most famous detective and Enola's older brother and guardian. It is his disappearance which drives the plot of the third film.
What else has Henry Cavill been in? Cavill us best known for playing Superman in the previous incarnation of the DC Universe and Geralt of Rivia in the first three seasons of Netflix's The Witcher. Other film roles include The Man from UNCLE, Mission: Impossible – Fallout and Argylle.
Louis Partridge as Lord Tewkesbury
Enola Holmes 3. Louis Partridge as Tewkesbury in Enola Holmes 3. John Wilson/Netflix ©2026
Who is Tewkesbury? The young viscount and Enola's love interest, whom she is preparing to marry in Malta.
What else has Louis Partridge been in? Partridge appeared in Pistol as Sid Vicious and has also had key roles in the Apple TV+ show Disclosure and Netflix series House of Guinness.
Helena Bonham Carter as Eudoria Holmes
Helena Bonham Carter as Eudoria Holmes in Enola Holmes 3. Netflix
Who is Eudoria? The unconventional, activist mother of Enola, Sherlock and Mycroft, Eudoria has appeared in all three films.
What else has Helena Bonham Carter been in? The Oscar-nominated actress is known for her roles in everything from A Room with a View to Fight Club to The King's Speech, in addition to playing Bellatrix Lestrange in the Harry Potter films, Princess Margaret in The Crown and multiple collaborations with Tim Burton.
Himesh Patel as Dr John Watson
Himesh Patel as Dr. Watson in Enola Holmes 3. John Wilson/Netflix ©2026.
Who is Watson? Sherlock's loyal companion, Dr John Watson was only introduced to the Enola Holmes franchise right at the end of the second film but will play a key role this time.
What else has Himesh Patel been in? Patel first found fame in EastEnders and has since starred in Danny Boyle's Yesterday, Christopher Nolan's Tenet and TV shows Avenue 5, Station Eleven and The Franchise, among others.
Jason Watkins as Brigadier Sampson
Jason Watkins as Brigadier Sampson in Enola Holmes 3. Netflix
Who is Brigadier Sampson? A British brigadier living and working in Malta who has ties to Tewkesbury.
What else has Jason Watkins been in? Watkins has had roles in series including EastEnders, Little Dorrit, Being Human, Psychoville, Prisoners Wives, Miranda, Doctor Who, Silent Witness, Friday Night Dinner, Taboo, Line of Duty, A Very English Scandal, Trollied, The Crown, W1A, Des, Around the World in 80 Days, SAS Rogue Heroes, The Catch, McDonald & Dodds, Coma, The Game, Inside No. 9, Dirty Business, Falling and Dear England as well as films such as Nativity!, Hampstead and Wicked Little Letters.
Joe Azzopardi as Mikiel Mizzi
Who is Mikiel Mizzi? A Maltese revolutionary who is fighting against British colonial rule and crosses paths with Enola.
What else has Joe Azzopardi been in? Maltese actor Azzopardi hasn't had too many major roles but had a small role in Jurassic Park: Dominion and has been in episodes of The Madame Blanc Mysteries and The Count of Monte Cristo.
Sharon Duncan-Brewster as Mira Troy / Moriarty
Sharon Duncan-Brewster as Mira Troy in Enola Holmes 2. Alex Bailey/Netflix
Who is Moriarty? The cunning Mira Troy was revealed as criminal mastermind Moriarty in Enola Holmes 2 and returns once again for this threquel.
What else has Sharon Duncan-Brewster been in? Duncan-Brewster played Liet-Kynes in Dune and has appeared in Rogue One: A Star Wars Story, Sex Education, Cursed and EastEnders, among many other credits.
Enola Holmes 3 is now streaming on Netflix.
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Authors
Patrick CremonaSenior Film Writer
Patrick Cremona is the Senior Film Writer at Radio Times, and looks after all the latest film releases both in cinemas and on streaming. He has been with the website since October 2019, and in that time has interviewed a host of big name stars and reviewed a diverse range of movies.
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