Geimer now claims CHINATOWN film-maker Polanski had spent months taking naked photographs of her after promising to make her a star.
But she alleges the situation turned brutal after he gave her powerful sedative Quaaludes and took her to Nicholson's property to take more photographs.
Polanski reportedly whisked her into a bedroom to molest her, and during the terrifying episode Huston became suspicious and hammered on the door, only to be assured the pair were merely completing a photo session.
Geimer, now recalls, "Even though I protested and said no, I didn't want to, I didn't know how to stop him.
"Thank God I had had sex before because it would probably have been more damaging if I'd been a virgin. I just wanted it all to be over as quickly as possible.
"Once I got to the car he noticed I was upset because I was crying. He said something like, 'Are you alright? What's wrong?' I think he was surprised that there was someone around who just might not want to have sex with him."
Polanski was celebrating last week after successfully suing Vanity Fair magazine over a 2002 article, which claimed he tried to seduce a Swedish model shortly after the murder of his actress wife Sharon Tate in 1969.
Polanski gave evidence at the London trial via video link from Paris, France to avoid extradition to America.
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