Greenfingers A prison inmate with a green thumb goes on to compete in a national gardening competition. Based on a true story. Runtime: 91 min Released: 14 Sep 2001 Genre:Comedy, Crime, Drama IMDB: 6.8 Starring: Clive Owen, Helen Mirren, David Kelly Writer: Joel Hershman Director: Joel Hershman Available countries: United Kingdom, United States Unlock Your Favorite Movies & Shows on Amazon in Canada