"Ready to Take a Chance Again" was the Award-Bait Song from this film, and it did indeed get an Oscar nomination, besides becoming a big hit for Barry Manilow.
The short-lived TV series attempted to play off of this, using a jaunty instrumental version as its theme (in two versions, a longer version for the pilot and a shorter, recut version for the few regular episodes that actually aired).
Corpsing: As the rigging for the HMS Pinafore is lowered, Whitey Jackson is moving his foot.
Irony as She Is Cast: The Pope was played by Cyril Magnin, a revered San Francisco businessman and philanthropist, who was Jewish.
Dudley Moore was already a well-known comedy figure on both sides of the Atlantic, but his Ensemble Dark Horse turn as Stanley Tibbets kickstarted his career as a Hollywood comedy star.
Video game
Feelies: The game came boxed with some INCREDIBLY USEFUL checklists for eliminating or confirming suspects, times, murder weapons, etc.