According to Deadline, Sam Claflin and Henry Cavill (Justice League, The Witcher, Mission: Impossible – Fallout) in the film, based on YA author Nancy Springer’s Enola Holmes Mysteries novel series.
Per previous reports, Cavill is taking on the role of Sherlock Holmes in the movie.
If you’d like to check out the series for yourself, click here to buy Enola Holmes Book 1!
Brown will also be serving as producer, alongside her sister Paige Brown, for the Enola Holmes franchise through their PCMA Productions, with Alex Garcia and Ali Mendes overseeing the project for Legendary.