Final theatrical movie of William Holden (Tim Culley). Shortly after completing this movie, he slipped and fell in his living room, cutting his head open, and bled to death. He had been drinking heavily.
For the scene where Dame Julie Andrews bares her breasts, Johnny Carson on The Tonight Show Starring Johnny Carson (1962) thanked her for "showing us that the hills were still alive," referencing her famous song lyric from The Sound of Music (1965).
When Blake Edwards had his name removed from the writing credits of City Heat (1984), he got himself billed under the pseudonym of "Sam O. Brown," whose initials are S.O.B.
Robert Vaughn revealed on the "Ron & Fez" XM Satellite radio program that his character was based upon legendary movie producer Robert Evans.
This movie was based loosely on writer, producer, and director Blake Edwards' experiences making Darling Lili (1970) and Wild Rovers (1971).