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Katharine Houghton (born Katharine Houghton Grant; March 10, 1945) is an American actress. She is best known for her role as Joanna "Joey" Drayton, a Caucasian woman who brings home an African-American fiancé to meet her parents, in the 1967 film Guess Who's Coming to Dinner. Katharine Hepburn, who played the mother of Houghton's character in the film, was in real life Houghton's aunt.
Description above from the Wikipedia article Katharine Houghton, licensed under CC-BY-SA, full list of contributors on Wikipedia.​
as Self
as Katara's Grandma
as Self
as Self
as Mrs. Spaulding
as Homeless Woman
as Less
as Mrs. Hale
as Charlotte
as Mrs. Skeel
as Isabel
as Mrs. Hale(1 ep)
as Abigail Adams II(5 eps)
as Ellen Bennett
as Joanna "Joey" Drayton
as Bonnie(1 ep)
as Self(1 ep)