According to her book "Enter Talking", comedienne 'Joan Rivers (I)' was a 16-year-old chubby extra in the audience cheering on the wrestling match it turn out to be her debut in the movie's industry.
This was the film debut of the dark haired and normally very hairy chested Vince Edwards, who had to undergo a full body wax treatment, and have his hair dyed blonde, in order to play the role.
Final film of Joyce Mathews.