* HeyItsThatGuy: In the movie, you'll see one of the [[Film/DieHard Gruber brothers]]; [[Film/HarryPotter Hagrid]] used to be smaller, smoother and slimier, and you might just spot [[UpstairsDownstairs Rose]].
* RealLifeRelative: In the film, father and son [[Creator/JeremyIrons Jeremy]] and Samuel Irons play the father and Danny. Cyril Cusack, who plays Dr. Spencer, is their father-in-law and grandfather, respectively.
* WriteWhoYouKnow: Captain Lancaster was based on one of Roald Dahl's teachers. As noted above under AuthorAppeal, Dahl loves talking about his childhood.