Tracy, Spencer (1900–67) US film actor, renowned for his intelligent, sincere character portrayals. Making his debut in 1930, Tracy soon became a leading Hollywood actor, appearing in nearly 80 films, of which nine, including
Adam's Rib (1949),
Pat and Mike (1957), and his last film,
Guess Who's Coming to Dinner (1967), were with his on- and off-screen partner, Katharine
Hepburn. He won Academy Awards for
Captains Courageous (1937) and
Boys Town (1938).