Trivia: When Gregory Peck puts his hand into the Mouth of Truth and withdraws it (hand tucked into sleeve) the scream that Audrey gives is real. The prank was unscripted, but the reaction so perfect that it was left in.
Trivia: In the television programme towards the end of the short, the host is Mr Pratt, and the scientist is Dr Robert Bruce Cameron. "Mr Pratt" is a reference to the Warner Brothers layout artist Hawley Pratt, whereas Robert Bruce Cameron is a reference to the narrator, Robert C. Bruce.
Trivia: When Waldo and Loco (Betty Grable) are at the lodge, Loco says the music playing on the radio is Harry James. Waldo asks how she knows that, and she says she just knows that it's him. This is a movie in-joke because at that time, Grable was married to Harry James, the famous bandleader, in real life.
Trivia: The only Tom and Jerry cartoon in which Edward Plumb provided the music score.
Trivia: The film was given an "X" certificate in Britain, although it was later played on children's television.
Trivia: At the end of the movie, there is a double wedding at sea with the ship's captain officiating. Most people assume that a ship's captain automatically has that authority. However, in order to officiate at a wedding at sea, the captain also must be a minister, a judge or justice of the peace, or a Notary Public.
Trivia: Towards the end of the race, they stop outside a pub, which has ten minutes before it opens. This pub is on the corner of the High Street and Station Approach in West Drayton, and would not be on the journey between Brighton and Westminster Bridge, London. It was likely used as it is fairly close to Pinewood Studios, approx. 5 miles away. (01:11:41 - 01:16:18)
Trivia: Look at the flag on the tail of the bizarre animal which the animator re-draws Daffy as - it reads "screwball."