He told her they were contracts for his next three films, according to Ms. Dunning. But she could only sign them on a condition: She would have to have three-way sex with him.

Ms. Dunning said that she laughed, assuming he was joking, and that Mr. Weinstein grew angry.

“You’ll never make it in this business,” she said he told her. “This is how the business works.”

Ms. Dunning fled, she said, and when the assistant called her the next day, she hung up. She told her father, Rick Dunning, of the episode within a few months, he said in an interview.

“I was like: Maybe this is how the business works,” she said.