Continuity: As the Orient Express pulled out of the station the steam locomotive pulling the train was 4472 "Flying Scotsman" (A3 4-6-2): later at speed the locomotive had turned into "Camelot" (Standard Class 5 4-6-0), whose number would have been 73082, though it may not be visible.
Factual errors: Kevin is arrested and held in a British Police Station; the cell that he is held in has open bars as the front wall. This type of cell is not in use in British Police Stations, with the preference being for big single steel doors.
Factual errors: The film is set in England, yet features wildlife such as raccoons and a skunk which are native to North America.
Continuity: When Oddball starts the cake factory, Cruella falls backwards. But when we see Cruella, she falls forward into one of the flour dumpers.
Audio/visual unsynchronized: When Le Pelt says "Now I crush you little man" his lips don't move.