Shoot the Moon
Starring Albert Finney, Diane Keaton, Karen Allen, Peter Weller, Dana Hill, Viveka Davis, Tracey Gold, Tina Yothers, George Murdock, O-Lan Jones
Watch "Shoot the Moon" on Amazon released in 1982. It's a drama and romance movie, and has a rating of 6.8 out of 10 from Imdb which is usually fine for this kind of movie, and is currently only available for purchase or rent.
