There is a special thanks to Jay Leno in the credits. According to Lin-Manuel Miranda, "I asked about this when I saw that! Apparently there is a car sound effect from the 1930's that they could not replicate, and someone realized Jay Leno had the car they needed to record the sound effect."
In a reprisal of the credits gag from the original, Dick Van Dyke is at first credited as "Nackvid Keyd", only for the credits to unscramble themselves again.
The Disney logo castle is set in a London park with lit lamps and has the London skyline in the background, displaying Tower Bridge and the Big Ben (now known as the Elizabeth Tower).