Keye Luke (, Cantonese: Luk Shek Lun; June 18, 1904 – January 12, 1991) was a Chinese-born American actor. He was known for playing Lee Chan, the "Number One Son" in the Charlie Chan films, the original Kato in the 1939–1941 Green Hornet film serials, Brak in the 1960s Space Ghost cartoons, Master Po in the television series Kung Fu, and Mr. Wing in the Gremlins films. He was the first Chinese-American contract player signed with RKO, Universal Pictures and Metro-Goldwyn-Mayer and was one of the most prominent Asian actors of American cinema in the mid-twentieth century.