Young Sherlock (British TV series)

For similarly titled television series, see Young Sherlock (disambiguation).

Young Sherlock is an upcoming television series set to release on Prime Video. The series is an adaptation of Andrew Lane's Young Sherlock Holmes book series, itself a pastiche of Arthur Conan Doyle's original Sherlock Holmes stories. The series will be directed by Guy Ritchie and will star Hero Fiennes Tiffin as Holmes.

Young Sherlock
Genre	Mystery
Inspired by	Young Sherlock Holmes by Andrew Lane Sherlock Holmes by Arthur Conan Doyle
Showrunner	Matthew Parkhill
Starring	Hero Fiennes Tiffin Zine Tseng Joseph Fiennes Natascha McElhone Dónal Finn Max Irons Colin Firth
Country of origin	United Kingdom
Original language	English
Production
Executive producers	Matthew Parkhill Guy Ritchie Andrew Lane Simon Kelton Ivan Atkinson Simon Maxwell Dhana Gilbert Colin Wilson Marc Resteghini
Production companies	Inspirational Entertainment Motive Pictures Amazon MGM Studios
Original release
Network	Amazon Prime Video

Premise

As a 19-year-old at Oxford University, Sherlock Holmes is not yet the master detective he grows up to be. He is raw and unfiltered, and he lacks discipline. A murder at Oxford puts Holmes's freedom at risk, and he sets out to solve his first murder mystery that leads him to a global-level conspiracy.^[1]

Cast

• Hero Fiennes Tiffin as Sherlock Holmes, an unruly 19 year old amateur investigator
• Zine Tseng as Princess Gulun Shou'an, a young Chinese princess, scholar and martial artist
• Joseph Fiennes as Silas Holmes, Sherlock and Mycroft's adventurous father
• Natascha McElhone as Cordelia Holmes, Sherlock and Mycroft's artistic mother
• Dónal Finn as James Moriarty, Sherlock's future arch-nemesis
• Max Irons as Mycroft Holmes, Sherlock's older brother
• Colin Firth as Sir Bucephalus Hodge
• Adam James as Dr. Charles Maltby
• Rachel Shelley as Mrs. Anna Tilcott
• Simon Delaney as Detective Fitget
• Ian Midlane

Production

Development of a television series adaptation of the Young Sherlock Holmes books written by Andy Lane was first reported in April 2024 with Hero Fiennes Tiffin starring as a young Sherlock Holmes and Guy Ritchie attached to the project as well.^[2] Amazon Prime Video ordered eight-episodes of the series in May 2024 to be executive produced by Inspirational Entertainment and Motive Pictures. The series is written by showrunner Matthew Parkhill, who also executive produces. Ritchie will direct and executive produce alongside Lane, Simon Kelton, Ivan Atkinson, Simon Maxwell, Dhana Gilbert, Colin Wilson, and Marc Resteghini.^[3]

The series will be written and showrun by Matthew Parkhill, and directed by Guy Ritchie, who had previously helmed two unrelated cinematic Holmes adaptations: Sherlock Holmes (2009), and Sherlock Holmes: A Game of Shadows (2011). The role of the nineteen year old Holmes will be played by the twenty-six year old Hero Fiennes Tiffin who had previously worked with Ritchie on The Ministry of Ungentlemanly Warfare.^[4]

In June, Fiennes Tiffin's uncle Joseph Fiennes was cast as Sherlock's father, alongside Natasha McElhone as his mother.^[5] In July, Zine Tseng, Colin Firth and Dónal Finn joined the cast.^[6][7][8]

Filming of the series began in the United Kingdom in July 2024.^[9]

Max Irons was seen filming scenes in late August.^[10] In September, Irons was confirmed to be playing Mycroft Holmes.^[11]

Scenes were filmed in Bristol.^[12] In 2025, filming took place in Spain (specifically Jerez, Cádiz and Seville),^[13][14][15] and Cardiff, Wales.^[16][17] Filming on the series wrapped in late February.