| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | - | Terminator Salvation | $1,483,467 | - | 106 | - | $13,994 | $1,483,467 | 1 | Sony Pictures Releasing | true | false |
| 2 | 1 | Night at the Museum: Battle of the Smithsonian | $245,545 | -62.6% | 95 | -65 | $2,584 | $1,360,742 | 2 | 20th Century Fox International | false | false |
| 3 | 2 | Angels & Demons | $91,390 | -67.4% | 61 | -9 | $1,498 | $1,342,152 | 3 | Sony Pictures Releasing | false | false |
| 4 | - | Deathwave | $68,373 | - | 45 | - | $1,519 | $68,373 | 1 | N/A | true | false |
| 5 | 4 | Star Trek | $10,243 | -82.3% | 29 | -35 | $353 | $813,534 | 4 | United International Pictures | false | false |
| 6 | 3 | Saranae Hao Peng | $7,182 | -89.5% | 32 | -28 | $224 | $2,610,896 | 5 | Mongkol Film Company | false | false |
| 7 | 8 | Righteous Kill | $2,951 | -43.2% | 1 | - | $2,951 | $9,674 | 2 | N/A | false | false |
| 8 | 5 | Krasue fad pob | $2,789 | -90.2% | 24 | -26 | $116 | $41,965 | 2 | N/A | false | false |
| 9 | - | My Mighty Princess | $2,089 | - | 2 | - | $1,044 | $3,198 | 1 | M Pictures | true | false |
| 10 | 6 | X-Men Origins: Wolverine | $1,800 | -91.4% | 9 | -39 | $200 | $2,316,156 | 5 | 20th Century Fox International | false | false |
| 11 | 9 | The Code | $1,354 | -58.6% | 4 | - | $338 | $30,206 | 4 | N/A | false | false |
| 12 | 12 | A Frozen Flower | $1,162 | +6.5% | 4 | +3 | $290 | $61,843 | 7 | Mongkol Major | false | false |
| 13 | 11 | Winged Creatures | $1,102 | -44.3% | 1 | - | $1,102 | $7,773 | 3 | N/A | false | false |
| 14 | 7 | Rule Number One | $265 | -96.7% | 5 | -10 | $53 | $12,395 | 2 | Mongkol Major | false | false |
| 15 | 13 | The International | $219 | -79.8% | 1 | - | $219 | $56,637 | 7 | Sony Pictures Releasing | false | false |
| 16 | 17 | Slumdog Millionaire | $202 | -30.8% | 1 | - | $202 | $92,868 | 13 | N/A | false | false |
| 17 | 15 | The Great Buck Howard | $119 | -68.6% | 1 | - | $119 | $17,444 | 10 | Mongkol Major | false | false |
