Manhattan is a 1979 romantic comedy film about Isaac Davis (Woody Allen), a twice-divorced 42-year-old comedy writer dating a 17-year-old high school girl (Mariel Hemingway). Isaac eventually falls in love with his best friend's mistress (Diane Keaton). The movie was written by Allen and Marshall Brickman, who had also successfully collaborated on Annie Hall, and directed by Allen. Manhattan was filmed in black and white and 2.35:1 widescreen....