Young Sherlock has kicked off production on its second season, and new faces are joining the cast. Prime Video shared the following about season two:“Today, Prime Video announced new series regulars joining the cast of Season Two of Young Sherlock and released a start-of-production video featuring Guy Ritchie, Hero Fiennes Tiffin and Dónal Finn. Season Two is currently in production and all eight episodes of Season One are available exclusively on Prime Video in more than 240 countries and territories worldwide. On television, he can most recently be seen in Taylor Sheridan/Paramount+ series Mayor of Kingstown and the AMC+ series Kin. The series cast also includes Dónal Finn (The Wheel of Time, The Other Bennett Sister), Natascha McElhone (Halo), Holly Cattle (Cobra, Rivals) and Max Irons (Condor).”