My rating: 3.5 popcorn kernels out of 5
The movie kept my interest but if I need to read IMDB after seeing a movie so I can understand it better, I have to detract a kernel. Also, 1/2 kernel removed from my rating for throwing in Kim Catrell. She was not necessary.
Check it out here: http://www.imdb.com/title/tt1139328/
The Ghost Writer on IMDB
Trailer is here: http://www.imdb.com/video/imdb/vi3376022553/
The Ghost Writer Trailer