Henriette Mantel (born c. 1958) is an American writer, actress, producer, director, and stand-up comic from Vermont.She was born and raised in Newfane, Vermont on her family's farm.In the late 1970s, she spent two years in Washington, D.C., working with political activist Ralph Nader at his Center for the Study of Responsive Law. Twenty years later, she co-wrote and co-directed An Unreasonable Man, a 2006 documentary that traces the life and career of Nader, with her friend Steve Skrovan.