Former Nickelodeon actress Kianna Underwood, 33, known for All That and Little Bill, was killed in a double hit-and-run Friday in Brooklyn. Underwood was crossing an intersection in the Brownsville neighborhood of Brooklyn Friday morning when a black Ford Explorer SUV struck her, according to the New York Police Department. While lying in the street, she was then hit by a black and gray sedan, the New York Police Department (NYPD) said in a statement. The actress was pronounced dead at the