| Release Date | 29 September 2009 |
| Budget | $40,000,000 |
| US Box Office | $38,000,000 |
| Tagline | Fear not the weapon but the hand that wields it. |
| Genre | Action, Crime, Drama, Thriller |
| Country | USAGermany |
| Filming Locations | Berlin, Germany |
| Language | English |
| Sound Mix | Dolby |
| Color | Color, Black and White |
| Film Type | Feature |
| Film Class | Martial Arts |
| Themes | Out For Revenge, Ninjas |
| Tags | Assassin, Ninja, Revenge, Secret Society |
Ninja Assassin is a 2009 American martial arts film directed by James McTeigue. The story was written by Matthew Sand, with a screenplay penned by J. Michael Straczynski of Babylon 5. The film stars South Korean pop musician Rain as a disillusioned assassin looking for retribution against his former mentor. Ninja Assassin explores political corruption, child endangerment and the impact of violence. Known for their previous work on the Matrix Trilogy and V for Vendetta, the Wachowski brothers, Joel Silver and Grant Hill produced the film. A joint collective effort to commit to the film's production was made by Legendary Pictures, Dark Castle Entertainment and Silver Pictures. It was commercially distributed by Warner Bros. Pictures.