Yeah, that was the movie I was thinking of. He probably “raped” Hemingway too.
https://www.vanityfair.com/hollywood/2015/03/woody-allen-mariel-hemingway-manhattan
“In Woody Allen’s 1979 comedy Manhattan, the filmmaker, then 44, dated a 17-year-old character played by Mariel Hemingway. The part earned Hemingway an Oscar nomination, and, according to the actress in a forthcoming memoir, also the unwanted romantic attention of Allen.
“In Out Came the Sun, which will be released on April 7, Hemingway claims that Allen attempted to lure her to Paris once she turned 18—two years after she had filmed Manhattan. “Our relationship was platonic, but I started to see that he had a kind of crush on me, though I dismissed it as the kind of thing that seemed to happen any time middle-aged men got around young women,” writes Hemingway. The actress suggests that Allen attempted to act upon the crush by flying to her parents’ home in Idaho and inviting the teen to Europe....”
Vanity Fair March 2015