| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | - | Ice Age: The Meltdown | $530,507 | - | 75 | - | $7,073 | $530,507 | 1 | 20th Century Fox International | true | false |
| 2 | 1 | Samoan Wedding | $327,175 | -14.6% | 45 | - | $7,270 | $829,983 | 2 | Sony Pictures Releasing | false | false |
| 3 | - | Inside Man | $113,877 | - | 40 | - | $2,846 | $113,877 | 1 | United International Pictures | true | false |
| 4 | 3 | Mrs. Henderson Presents | $89,191 | -19.3% | 39 | +2 | $2,286 | $316,803 | 2 | Hopscotch Films | false | false |
| 5 | 2 | V for Vendetta | $81,061 | -46.4% | 50 | - | $1,621 | $275,662 | 2 | Warner Bros. | false | false |
| 6 | - | Keeping Mum | $72,851 | - | 52 | - | $1,400 | $72,581 | 1 | Icon Film Distribution | true | false |
| 7 | - | Kinky Boots | $57,470 | - | 42 | - | $1,368 | $57,470 | 1 | Buena Vista International | true | false |
| 8 | 6 | March of the Penguins | $40,785 | -26.7% | 9 | -1 | $4,531 | $115,193 | 2 | Roadshow Films | false | false |
| 9 | 4 | Walk the Line | $33,830 | -48.3% | 39 | -9 | $867 | $1,512,190 | 9 | 20th Century Fox International | false | false |
| 10 | 7 | Basic Instinct 2 | $19,235 | -62.8% | 37 | -3 | $519 | $89,563 | 2 | 20th Century Fox International | false | false |
| 11 | 5 | The Pink Panther | $14,746 | -76.4% | 36 | -4 | $409 | $370,511 | 4 | 20th Century Fox International | false | false |
| 12 | 8 | Underworld: Evolution | $13,789 | -68.8% | 26 | -19 | $530 | $478,416 | 4 | Sony Pictures Releasing | false | false |
| 13 | 9 | Lord of War | $12,781 | -68.6% | 20 | -17 | $639 | $195,861 | 3 | Hoyts Distribution | false | false |
| 14 | - | Caché | $11,349 | - | 7 | - | $1,621 | $39,694 | 1 | Dendy Films | true | false |
| 15 | 14 | Brokeback Mountain | $10,530 | -16.1% | 10 | -3 | $1,053 | $661,643 | 9 | Roadshow Films | false | false |
| 16 | 15 | Naming Number Two | $6,298 | -39.7% | 17 | -8 | $370 | $433,904 | 8 | Buena Vista International | false | false |
| 17 | 13 | The White Countess | $5,700 | -57.3% | 9 | -1 | $633 | $88,508 | 4 | Sony Pictures Releasing | false | false |
| 18 | 16 | Capote | $4,401 | -52% | 5 | -4 | $880 | $167,108 | 8 | Sony Pictures Releasing | false | false |
| 19 | 19 | The World's Fastest Indian | $4,043 | -24.2% | 18 | -8 | $224 | $4,549,763 | 26 | - | false | false |
| 20 | 11 | A History of Violence | $3,731 | -77% | 16 | - | $233 | $137,289 | 4 | Roadshow Films | false | false |
