The Mikado is a 1939 British musical comedy film based on Gilbert and Sullivan's 1885 comic opera The Mikado. Shot in Technicolor, the film stars Martyn Green as Ko-Ko, Sydney Granville as Pooh-Bah, the American singer Kenny Baker as Nanki-Poo and Jean Colin as Yum-Yum. Many of the other leads and choristers were or had been members of the D'Oyly Carte Opera Company.