| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | 1 | The Chronicles of Narnia: Prince Caspian | $444,929 | -55.6% | 146 | -70 | $3,047 | $2,116,211 | 2 | Walt Disney Pictures | false | false |
| 2 | - | Sex and the City | $207,358 | - | 63 | - | $3,291 | $218,059 | 1 | Warner Bros. | true | false |
| 3 | - | Good Morning, Luang Prabang | $167,523 | - | 55 | - | $3,045 | $167,523 | 1 | N/A | true | false |
| 4 | - | Muay Thai Giant | $163,329 | - | 67 | - | $2,437 | $163,329 | 1 | Mongkol Film Company | true | false |
| 5 | 2 | Indiana Jones and the Kingdom of the Crystal Skull | $134,848 | -64.6% | 81 | -70 | $1,664 | $1,939,333 | 3 | United International Pictures | false | false |
| 6 | - | The Other Boleyn Girl | $51,409 | - | 21 | - | $2,448 | $51,409 | 1 | M Pictures | true | false |
| 7 | 5 | 21 | $7,891 | -38.9% | 1 | - | $7,891 | $96,055 | 4 | Sony Pictures Releasing | false | false |
| 8 | 3 | Pathology | $5,896 | -71.6% | 7 | +2 | $842 | $34,650 | 2 | M Pictures | false | false |
| 9 | - | The Hottie & the Nottie | $3,330 | - | 1 | - | $3,330 | $3,330 | 1 | Mongkol Major | true | false |
| 10 | 7 | The Leap Years | $2,250 | -71.9% | 5 | - | $450 | $13,510 | 2 | Mongkol Major | false | false |
| 11 | 4 | Memory 2008 Re-release | $2,248 | -89% | 9 | -28 | $249 | $402,104 | 4 | N/A | false | false |
| 12 | 11 | Juno | $1,370 | -69.2% | 2 | -2 | $685 | $43,995 | 4 | Mongkol Major | false | false |
| 13 | 6 | What Happens in Vegas | $1,303 | -87.6% | 4 | -13 | $325 | $416,462 | 5 | 20th Century Fox International | false | false |
| 14 | 8 | Iron Man | $1,024 | -86.7% | 3 | -15 | $341 | $2,446,286 | 6 | United International Pictures | false | false |
| 15 | 13 | Teng's Angel | $661 | -67.1% | 2 | -3 | $330 | $928,983 | 6 | Mongkol Film Company | false | false |
| 16 | 10 | Penelope | $412 | -92.8% | 2 | -14 | $206 | $125,304 | 4 | M Pictures | false | false |
| 17 | 9 | Never Back Down | $372 | -94.2% | 5 | -19 | $74 | $190,524 | 4 | Mongkol Film Company | false | false |
| 18 | 12 | Phobia | $219 | -90.9% | 1 | -5 | $219 | $2,435,026 | 7 | N/A | false | false |
| 19 | 14 | Speed Racer | $73 | -93.3% | 1 | -9 | $73 | $810,811 | 5 | Warner Bros. | false | false |
