As “Smash” readies for its premiere next week, NBC has tapped helmer Michael Mayer to direct another Peacock pilot, “Do No Harm.”The Jekyll and Hyde-themed drama revolves around a brilliant neurosurgeon who wresles with his dangerous alter-ego. David Schulner penned the pilot and exec producers with Rachel Kaplan and Peter Traugott for Universal TV. Mayer will serve as a co-exec producer. Mayer has made his mark on Broadway in recent years after helming tuners “Spring Awakening” and “American Idiot.” NBC’s tuner-drama “Smash” marked his first TV pilot. He most recently helmed the Main Stem revival of “On a Clear Day You Can See Forever” with Harry Connick Jr.