Gilda Texter

Gilda Texter is an American actress, famous, or maybe infamous, for her part in the 1971 cult movie Vanishing Point.

The interesting aspect from our point of view, nudity, is that Gilda is nude for her entire screen time, not just when riding the motorcycle, but at all times.

Gilda also appeared in two other films, Angels Hard as They Come and Runaway, Runaway. She was nude in both of those films too.
Gilda had a long career in motion pictures, she never acted again, but was a costume designer and wardrobe supervisor, so in a strange turn of events the nude became the dresser, overseeing many other actors and their clothing.