Walter Matthau (; born Walter John Matthow; October 1, 1920 โ July 1, 2000) was an American screen and stage actor, known for his "hangdog face" and for playing world-weary characters. He starred in 10 films alongside his real-life friend Jack Lemmon, including The Odd Couple (1968) and Grumpy Old Men (1993). The New York Times called this "one...