As was inevitable for a film that scored so well on Netflix, a sequel to the film “Enola Holmes” is officially in the works. The followup to Netflix’s smash hit film about the sister of the world’s greatest detective is being developed and produced by Legendary in partnership with the streamer. Millie Bobby Brown and Henry Cavill will return to their roles of Enola and Sherlock Holmes from the original.

“I can’t wait to collaborate again with my Enola Holmes family!” Brown said. “Enola holds a special place in my heart — she’s strong, fearless, intelligent and brave. I look forward to fans seeing how her journey continues!”

Also back at the helm will be director Harry Bradbeer and writer Jack Thorne, who penned the first film.

Based on the beloved Edgar-nominated book series by Nancy Springer, the films tell the story of Sherlock Holmes’ rebellious teen sister Enola,...