Jim Dale did all his own stunts during the filming. At one point, he was taken to hospital after his arm repeatedly banged against a delivery trolley, causing him to have an emergency operation. The next day, he was back at work doing a stunt where a hammock falls through a wooden floor.
Patricia Franklin was going to play Night Nurse, but had to bow out, and was replaced by Jenny Counsell
The first film in the series to feature "Carry On..." regular Patsy Rowlands.