The shot where the camera quickly zooms in on the couple was actually done in reverse. A camera was attached to a truck and driven in reverse, starting from the couple until they can't be seen anymore.
Roy Kent shares a first name with Roy Schneider, the actor in Jaws whose character the Roy Kent character is a counterpart to.
This movie was developed as a Jaws parody. It shows in the similar style, music and even copied scenes.