Katharine Houghton

Katharine Houghton is an American actress and playwright. She portrayed Joanna "Joey" Drayton, a white woman who brings home her black 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 Houghton's aunt. Houghton was nominated for a Golden Globe Award for her performance. She is also known for her role as Kanna, the grandmother of Katara and Sokka in the film The Last Airbender (2010).