This versatile character player of TV and films has been equally adept at playing sympathetic roles as well as hard-boiled dames, gossips, nags and ethnic types, yet always comes across as if she is too savvy of the ways of the world to be fooled by anyone. Doris Roberts is best known as Marie Barone, the strong-willed mother of the title character in the CBS sitcom "Everybody Loves Raymond" (CBS, 1996-2005). Others may remember her memorable supporting roles as the mother to the married-rich Donna Pescow on "Angie" (ABC, 1979-80) or as the slightly overbearing Mildred Krebs on "Remington