British actor Hero Fiennes Tiffin attends the official Emmy FYC event for "Young Sherlock" at the Lindwood Dunn theater in Los Angeles, California, on April 26, 2026. (Photo by LISA O'CONNOR / AFP via Getty Images)

Irish actor Donal Finn attends the official Emmy FYC event for "Young Sherlock" at the Lindwood Dunn theater in Los Angeles, California, on April 26, 2026. (Photo by LISA O'CONNOR / AFP via Getty Images)

Executive producer Marc Resteghini (L) and Irish actor Donal Finn attend the official Emmy FYC event for "Young Sherlock" at the Lindwood Dunn theater in Los Angeles, California, on April 26, 2026. (Photo by LISA O'CONNOR / AFP via Getty Images)

Irish actor Donal Finn attends the official Emmy FYC event for "Young Sherlock" at the Lindwood Dunn theater in Los Angeles, California, on April 26, 2026. (Photo by LISA O'CONNOR / AFP via Getty Images)

Irish actor Donal Finn attends the official Emmy FYC event for "Young Sherlock" at the Lindwood Dunn theater in Los Angeles, California, on April 26, 2026. (Photo by LISA O'CONNOR / AFP via Getty Images)

British actor Hero Fiennes Tiffin (L) and Irish actor Donal Finn attend the official Emmy FYC event for "Young Sherlock" at the Lindwood Dunn theater in Los Angeles, California, on April 26, 2026. (Photo by LISA O'CONNOR / AFP via Getty Images)

British actor Hero Fiennes Tiffin (L) and Irish actor Donal Finn attend the official Emmy FYC event for "Young Sherlock" at the Lindwood Dunn theater in Los Angeles, California, on April 26, 2026. (Photo by LISA O'CONNOR / AFP via Getty Images)

(L/R) British actor Hero Fiennes Tiffin, Taiwanese actress Zine Tseng and Irish actor Donal Finn attend the official Emmy FYC event for "Young Sherlock" at the Lindwood Dunn theater in Los Angeles, California, on April 26, 2026. (Photo by LISA O'CONNOR / AFP via Getty Images)