Darren Criss Plays the Happy-Go-Lucky Killer in the Versace TV Drama

He acts, he sings, he dances. And in his latest role, the 30-year-old, who shot to fame with “Glee,” is the serial killer who murdered Gianni Versace.

MIAMI — At 6:30 in the morning, Darren Criss was bright-eyed and perky as he bounded out of his South Beach hotel and into a black car. It was the last day of shooting for “The Assassination of Gianni Versace: American Crime Story,” Ryan Murphy’s nine-episode follow-up to “The People v. O. J. Simpson.”Mr. Criss plays the assassin and, the night before, he had been up late shooting a manhunt scene that blocked off a stretch of Collins Avenue, to the chagrin of nightclubbers and Uber drivers.“T...