Hylands died Wednesday, July 29, according to his son, Luke Hylands, who announced the news in an emotional Instagram tribute on July 31. ‘Night Heat’ Put Hylands at the Center of a Television FirstHylands’ defining television role came as Detective Kevin “O.B.” O’Brien in Night Heat, a police drama about officers working the overnight shift in an unnamed North American city. She explained that Hylands no longer received residual payments from Night Heat and was still working in his late 70s. After Night Heat, Hylands continued appearing regularly on television.