WORCESTER, Mass.—The parents of actor Alicia Witt were found dead inside their Massachusetts home by police after she hadn’t heard from them in several days and asked a relative to check on them. The deaths of Robert Witt, 87, and Diane Witt, 75, who were found Monday night, are not considered suspicious, police in Worcester said. “I reached out to a cousin who lives close to my parents to check on them. Sadly, the outcome was unimaginable,” Witt wrote in a statement. “I ask for some privacy at this time to grieve and to wrap my head around this turn of events, and this surreal loss.” There were reports the couple had been having furnace problems and were using a space heater, police said, but firefighters said there were no signs of carbon monoxide in the home, The Telegram & Gazette reported. There were no obvious signs of trauma, police …