The niece of superstar Katharine Hepburn (her mother was Hepburn's sister), Katherine Houghton attended Sarah Lawrence College before making her Broadway bow in Ruth Gordon's A Very Rich Woman (1965) She was then cast as Spencer Tracy and Katharine Hepburn's daughter--and Sidney Poiter's fiance--in Guess Who's Coming to Dinner. Though Houghton did go on to make other films, she spent the...
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