The lines quoted by Inspector Cockrill and Mr Eden come from William Shakespeare's 'The Merchant of Venice', Act 5 Scene 1.
The BBC used the plot of this for Father Brown (2013) series 4, episode 6, The Rod of Asclepius (2016).
In the UK, surgeons, even though they have graduated medical school like all other physicians, are traditionally called Mister (or Mrs. or Miss).
Although a popular literary detective who appeared in six mystery novels, Christianna Brand's hero only appeared in this movie.
The color coding for medical gas cylinders was different in the UK and the US at the time of this film. And, although changes in the colors have been made since to become more standardized internationally, differences remain. For example, in the US oxygen is green, whereas most elsewhere it is white.
Contribute to this page
Suggest an edit or add missing content
