The 33-year-old actress and screenwriter made her big screen debut in Steven Spielberg's 'Ready Player One', and Waithe has revealed her dream is to helm a film about the American actress. She told The Hollywood Reporter: "I may get an idea like, 'Oh, I want to do this, I want to do this thing.' It's, like, there's so many things that I want to do. "For example, and hopefully no one takes this idea from me, but I want to do a biopic about Mary Tyler Moore.