
Trivia: If you look closely, there are many "Mickeys" in the scenery. For example, look in the bushes in various scenes and you will see three circles that form Mickey's head.

Trivia: Although Martha Scott plays Charlton Heston's mother in this film, she was only ten years his senior.

Trivia: In the scene when Cary Grant is going up the steps to the UN, Alfred Hitchcock shot it from a rug truck across the street. He wasn't allowed to shoot the front of the UN. If you look closely, you can see a security guard in the left corner.

Trivia: Operation Petticoat was filmed at the US Naval Base in Key West Fla. They actually did paint a submarine pink. I was attending the Fleet Sonar School on the base at the time and watched with great interest. The submarine used was the U.S.S. Balao (SS-285), which was still in commission at the time.

Trivia: Not a mistake, just a fact. According to I.A.L. Diamond,Tony Curtis' "Josephine" voice was dubbed by another actor, as Curtis couldn't speak high enough.

Trivia: The dimitrodon, the dinosaur in the middle of the movie, is actually a real lizard (a basilisk, in fact) with a sail glued onto its back.

Trivia: This movie is based (loosely of course) on an actual Civil War raid led by Colonel Benjamin Grierson. See: "Grierson's Raid: A Cavalry Adventure of the Civil War" by Dee Brown.

Trivia: Doris Day received her only Oscar nomination for her role as Jan Morrow in this film.

Trivia: When Moira and Bill Davidson are strolling in the pasture, they pause to admire a beautiful mare that is posing for them, and Bill offers the horse something to eat from the palm of his hand (sugar cubes or some other treat, presumably, but it's not visible). However, the horse does not react to the treat nor eat anything that Bill offers, because the actor's hand was actually empty. The trained horse was obeying cues from her trainer, off-camera, and only her trainer carried the real treats.

Trivia: Anthony Quinn plays Craig Belden, the father of Rick (Earl Holliman). In real life, Quinn was only 13 years older than Holliman.

Trivia: Robert Vaughn received his only Academy Award nomination for his role as Chester A. Gwynn in this movie.

Trivia: This was the first adaptation of a Sherlock Holmes mystery to be filmed in color.

Trivia: In the cartoon's opening title credits, there is no "Layout" next to Robert Gribbroek's name, which makes him appear to be an animator.

Trivia: Hermione Baddeley's performance in this film is the shortest ever to be nominated for an Academy Award. She had only 2 minutes and 20 seconds of screen time.