Yaphet Frederick Kotto (born November 15, 1939) is an American actor, known for numerous film roles, as well as starring in the NBC television series Homicide: Life on the Street (1993–99) as Lieutenant Al Giardello. His films include the science-fiction/horror film Alien (1979), and the science-fiction/action film The Running Man. He portrayed the main villain Dr. Kananga/Mr. Big in the James Bond movie Live and Let Die (1973). He appeared opposite Robert De Niro in the comedy thriller Midnight Run (1988) as FBI agent Alonzo Moseley.