Sir Christopher Lee stated in interviews, given at time of its release, that he worked for free on this movie.
Hawtrey's, the school where this movie was shot, closed down just after production.
Michael Gove (Chaplain) became a Conservative politician, and has served as Education Secretary, Justice Secretary and Environment Secretary, making several bids to be Prime Minister.
In an interview in 1996, Sir Christopher Lee called this movie, "one of the best pictures I've ever been in".