Oct 8, - Jayne Mansfield was on her way to becoming THE blond bombshell of The car rammed into the tractor-trailer and actually ran completely under the trailer. The gruesome crash scene spawned one of the longest running. Actress Jayne Mansfield dies in car crash. Blonde bombshell actress Jayne Mansfield is killed instantly on this day in when the car in which she is riding strikes the rear of a trailer truck on Interstate east of New Orleans, Louisiana. Mansfield, Harrison and Brody were all killed in the accident.