Katharine Houghton is an American actress and playwright, best known for her role as Joanna Drayton in the classic film Guess Who's Coming to Dinner (1967). Born on March 4, 1945, she is the daughter of Katharine Hepburn, a legendary actress, and Ludlow Ogden Houghton, a businessman. Houghton has also worked in theater, showcasing her talents on stage. In addition to her acting career, Houghton is recognized for her contributions to social issues, particularly those related to race and equality. Her work in Guess Who's Coming to Dinner addressed interracial marriage, reflecting the changing social landscape of the 1960s.