| Rank | Release
| Genre
| Budget
| Running Time
| Gross | Theaters | Total Gross | Release Date | Distributor
| Estimated
|
|---|
| 1 | The Incredible Hulk | - | - | - | $1,172,444 | 110 | $1,177,786 | Jun 12 | United International Pictures | false |
| 2 | Rak/Saam/Sao | - | - | - | $1,148,518 | 99 | $1,298,906 | Jun 19 | GMM Tai Hub (GTH) | false |
| 3 | Wanted | - | - | - | $1,072,877 | 151 | $1,905,376 | Jun 26 | United International Pictures | false |
| 4 | Kung Fu Panda | - | - | - | $985,967 | 75 | $1,096,121 | Jun 12 | United International Pictures | false |
| 5 | The Chronicles of Narnia: Prince Caspian | - | - | - | $884,862 | 216 | $2,303,423 | May 29 | Walt Disney Pictures | false |
| 6 | Sex and the City | - | - | - | $473,879 | 63 | $493,916 | Jun 5 | Warner Bros. | false |
| 7 | The Happening | - | - | - | $406,369 | 65 | $507,892 | Jun 12 | 20th Century Fox International | false |
| 8 | Get Smart | - | - | - | $378,076 | 64 | $530,867 | Jun 19 | - | false |
| 9 | Puppy Love | - | - | - | $353,812 | 65 | $370,069 | Jun 19 | Mongkol Film Company | false |
| 10 | Good Morning, Luang Prabang | - | - | - | $313,862 | 55 | $313,862 | Jun 5 | - | false |
| 11 | Muay Thai Giant | - | - | - | $254,469 | 67 | $254,469 | Jun 5 | Mongkol Film Company | false |
| 12 | Indiana Jones and the Kingdom of the Crystal Skull | - | - | - | $239,469 | 261 | $2,038,867 | May 22 | United International Pictures | false |
| 13 | The Other Boleyn Girl | - | - | - | $94,208 | 21 | $94,208 | Jun 5 | M Pictures | false |
| 14 | 21 | - | - | - | $30,066 | 1 | $120,971 | May 15 | Sony Pictures Releasing | false |
| 15 | My Sassy Girl | - | - | - | $23,606 | 24 | $41,959 | Jun 26 | Mongkol Major | false |
| 16 | Death Sentence | - | - | - | $23,341 | 12 | $23,341 | Jun 12 | M Pictures | false |
| 17 | Kurosagi: The Black Swindler | - | - | - | $17,916 | 9 | $19,352 | Jun 19 | M Pictures | false |
| 18 | Pathology | - | - | - | $13,919 | 7 | $34,650 | May 29 | M Pictures | false |
| 19 | The Hottie & the Nottie | - | - | - | $5,953 | 1 | $5,953 | Jun 5 | Mongkol Major | false |
| 20 | The Leap Years | - | - | - | $5,510 | 5 | $13,510 | May 29 | Mongkol Major | false |
| 21 | Mongol: The Rise of Genghis Khan | - | - | - | $4,881 | 1 | $6,239 | Jun 19 | J-Bics | false |
| 22 | Juno | - | - | - | $3,995 | 7 | $46,358 | May 15 | Mongkol Major | false |
| 23 | Mr. Brooks | - | - | - | $1,280 | 1 | $1,280 | Jun 26 | - | false |
