Trivia: The baby Moses was played by Fraser Heston, Charlton Heston's son.
Trivia: Alfred Hitchcock makes his regular cameo watching a group of street entertainers.
Trivia: Paul Frees is the apparent "spokesperson" for the aliens. His voice is heard throughout the movie. He's also the voice visitors hear in "The Haunted Mansion" rides at the Disney parks.
Trivia: This movie was based on William Shakespeare's play "The Tempest."
Trivia: Most of the film was changed from its original form. Scenes of Raymond Burr were added exclusively for the U.S. release, and the plot was altered.
Trivia: There was no balloon in Jules Verne's book. Thank to this film, most people now can't imagine "Around the World in 80 Days" without the balloon. (Gas balloon, not a hot air balloon as most people think).
Trivia: The large engagement ring that Grace Kelly wears in the movie is not a prop. It was a real 10-carat diamond engagement ring given to Kelly by her fiancé and later husband, Prince Rainier of Monaco.
Trivia: During the filming at sea, Gregory Peck (Captain Ahab) nearly drowned several times during the whale-hunting scenes in which he had to participate. As a result, by the time the movie was finished, he and director John Huston were no longer on speaking terms.
Trivia: The "Graf Spee" still exists! The USS Salem (which played the part) is now a museum.
Trivia: Although Carroll Baker plays Elizabeth Taylor's daughter in the movie, she was actually a year older than Taylor.
Trivia: The Reno gang is based on fact. On October 6, 1866 they held up for the first time a moving train and got about $10,000 in cash. Before that only trains that stood still were held up.
Trivia: When the cat is scared by one of the dogs at the start of the cartoon, behind them you can see a shop with "M. Edourd Selzer Bottles" on the front window - a reference to the Warner Brothers producer Eddie Selzer.
Trivia: There is a sign at the "Henry the Eighth's Fifth" advertising "Selzer's Water" - a reference to the Warner Brothers producer Eddie Selzer.
Trivia: When Ralph is raiding the fridge, you can see a bottle of "Pierce's Beer" behind him. This is a reference is the cartoon's story writer, Tedd Pierce.
Trivia: In the opening sequence, the announcer says that Stupor Duck is "more powerful than a steaming locomotive" and we see a barely functional train. What you actually see is a clip from the 1945 Warner Brothers cartoon, "Hare Trigger."
Trivia: When Porky and Daffy are at the computer, there are several buttons with the names of Warner Brothers staff on them: John Burton, Tedd Pierce, C.M. (Chuck) Jones, Mel Blanc, Norman Moray and Eddie Selzer.
Trivia: Shirley Jones plays Julie, mother of Louise Bigelow (Susan Luckey). In real life, Jones is only four years older than Luckey.
Trivia: Although Eileen Heckart plays Paul Newman's mother in the film, she was only six years older than Newman.
Trivia: The billboard that displays the cartoon's title at the start has "Selzer Sign Service" on the top of it - a reference to the Warner Brothers producer, Eddie Selzer.