Visible crew/equipment: In the fainting scene you can see in the background on the roofs and in the windows a number of people just watching the shooting being done on the back lot. It is very noticeable in the last wide pull back shot.
Trivia: This was 20 year old singer Bobby Rydell's movie debut. He admitted later that the film turned him off from working in films, and he did not like working with Ann-Margret at all. He would not do another film until 1975.