United States of America
| Release Date | Certification | Type | Note |
|---|---|---|---|
| April 24, 2010 | Premiere | Tribeca Film Festival | |
| April 24, 2010 | NR | Theatrical |
Argentina
| Release Date | Certification | Type | Note |
|---|---|---|---|
| April 27, 2011 | Theatrical |
Canada
| Release Date | Certification | Type | Note |
|---|---|---|---|
| September 07, 2010 | Physical | DVD |
Denmark
| Release Date | Certification | Type | Note |
|---|---|---|---|
| July 11, 2010 | Theatrical |
Finland
| Release Date | Certification | Type | Note |
|---|---|---|---|
| October 29, 2010 | Premiere | Night Visions Film Festival |
France
| Release Date | Certification | Type | Note |
|---|---|---|---|
| June 23, 2010 | 12 | Theatrical |
Germany
| Release Date | Certification | Type | Note |
|---|---|---|---|
| August 19, 2010 | Premiere | Hamburg Fantasy Filmfest | |
| August 19, 2010 | 16 | Theatrical | |
| April 01, 2011 | Physical | DVD & Blu-ray |
Mexico
| Release Date | Certification | Type | Note |
|---|---|---|---|
| February 11, 2011 | Theatrical |
Netherlands
| Release Date | Certification | Type | Note |
|---|---|---|---|
| January 20, 2011 | Physical | DVD |
Spain
| Release Date | Certification | Type | Note |
|---|---|---|---|
| March 07, 2014 | Theatrical |
Sweden
| Release Date | Certification | Type | Note |
|---|---|---|---|
| February 02, 2011 | Premiere | Göteborg International Film Festival | |
| May 25, 2011 | Physical | DVD |
Switzerland
| Release Date | Certification | Type | Note |
|---|---|---|---|
| July 21, 2010 | Theatrical |
United Kingdom
| Release Date | Certification | Type | Note |
|---|---|---|---|
| April 27, 2010 | Theatrical (limited) |