| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | 1 | Iron Man | $379,405 | -63.8% | 118 | -56 | $3,215 | $2,088,424 | 2 | United International Pictures | false | false |
| 2 | - | Speed Racer | $255,553 | - | 132 | - | $1,936 | $581,810 | 1 | Warner Bros. | true | false |
| 3 | 2 | Phobia | $203,347 | -65.3% | 63 | -27 | $3,227 | $2,315,193 | 3 | N/A | false | false |
| 4 | 3 | Teng's Angel | $153,543 | -67.3% | 63 | -28 | $2,437 | $829,414 | 2 | Mongkol Film Company | false | false |
| 5 | - | What Happens in Vegas | $151,398 | - | 41 | - | $3,692 | $174,879 | 1 | 20th Century Fox International | true | false |
| 6 | - | Deception | $65,695 | - | 28 | - | $2,346 | $65,695 | 1 | M Pictures | true | false |
| 7 | 4 | The Forbidden Kingdom | $10,209 | -86.4% | 12 | -35 | $850 | $1,568,975 | 4 | Mongkol Major | false | false |
| 8 | 5 | Three Kingdoms | $3,661 | -90.8% | 4 | -31 | $915 | $225,227 | 3 | N/A | false | false |
| 9 | - | The Counterfeiters | $2,719 | - | 1 | - | $2,719 | $2,719 | 1 | J-Bics | true | false |
| 10 | 6 | The Eye | $2,517 | -89.6% | 4 | -16 | $629 | $45,434 | 2 | M Pictures | false | false |
| 11 | 8 | Nim's Island | $1,955 | -89.6% | 3 | -34 | $651 | $109,456 | 3 | Mongkol Film Company | false | false |
| 12 | 7 | Superhero Movie | $1,111 | -94.6% | 2 | -24 | $555 | $451,175 | 4 | M Pictures | false | false |
| 13 | 12 | Always: Sunset on Third Street 2 | $652 | -49.7% | 1 | - | $652 | $29,130 | 7 | Mongkol Major | false | false |
| 14 | 14 | My Blueberry Nights | $566 | -30% | 1 | - | $566 | $50,423 | 8 | M Pictures | false | false |
| 15 | 9 | In the Name of the King: A Dungeon Siege Tale | $167 | -98.9% | 1 | -31 | $167 | $132,271 | 3 | United International Pictures | false | false |
| 16 | 11 | Horton Hears a Who! | $16 | -99.1% | 1 | -5 | $16 | $191,936 | 4 | 20th Century Fox International | false | false |
