Darling Lili is a 1970 American musical film. The screenplay was written by William Peter Blatty and Blake Edwards, who also directed. It starred Julie Andrews, Rock Hudson, and Jeremy Kemp. It was the last full musical to have song lyrics written by Johnny Mercer.
In hopes of gaining valuable information, Lili begins using her feminine wiles on Major William Larrabee Rock Hudson, a top American pilot. However, Lili soon falls in love with Larrabee and cannot find the courage to betray him. When Larrabee discovers Lilis secret, he refuses to turn her in.In 1967 Blake Edwards signed a four picture deal with Paramount. The films he would make were Waterhole3, Gunn, Mr Lucky and Darling Lili. Julie Andrews signed to play the lead in Darling Lili. Production was to start late 1967. Executive producer Owen Krump began shooting second unit in 1967. ........
Source: Wikipedia