Doreen Montalvo, a much-admired and loved actress and singer, died on Saturday, October 17, as reported by her manager Steve Maihack. She was 56. The cause of death was as a result of a stroke she suffered two weeks prior to her death. Maihack said, "Doreen didn't just light up the stage, she brightened the light in all of those around her. She was having quite the year with two films in the can and a new Broadway sh…