"The Camberwell Carrot was actually made with herbal cigarettes. Also, The photograph of Richard Griffiths in Uncle Monty's cottage is from World Cup: A Captain's Tale."
"For his role as Sherlock Holmes he of course had to have a pipe but as Peter Cushing was either a non-smoker or didn't like the taste of the pipe, he kept a glass of milk always to hand to remove the"
"The Schloss Adler is actually the Schloss Hohenwerfen in Austria. There are no cable cars near Schloss Hohenwerfen. Hence the Cable Car shooting is done somewhere else"
"The rednecks in the Louisiana coffee shop were all local residents. Hopper saw them making wisecracks whilst filming and decided to use them instead of actors."
"The backgrounds and locations - especially Efrafa and the nearby railway - are near-perfect matches to the diagrams and maps in Richard Adams's book."
"The screenwriter evidently thought that since English-speaking people can have surnames like London or York then Swedes can be named Goetaborg (second largest city in Sweden) - which is very unusual"
"This film was inspired by an actual incident in New York where some black youths were chased out of a pizzeria by some white youths in a section of New York known as Howard Beach."