who plays clara in back to the future 3
Mary Steenburgen In Back to the Future Part III (1990), Steenburgen played Clara Clayton, a school teacher who falls in love with Doc Brown, played by Christopher Lloyd. She was persuaded to play the role by her children, as well as by fans of the Back to the Future films, and reprised the role by providing the character's voice in Back to the Future: The Animated Series.