| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | 1 | Ice Age: The Meltdown | $534,721 | +32% | 75 | - | $7,129 | $2,085,986 | 3 | 20th Century Fox International | false | false |
| 2 | 2 | Samoan Wedding | $218,221 | -11.6% | 49 | +1 | $4,453 | $1,607,973 | 4 | Sony Pictures Releasing | false | false |
| 3 | - | Scary Movie 4 | $218,221 | - | 49 | - | $4,453 | $1,607,973 | 1 | N/A | true | false |
| 4 | - | The Shaggy Dog | $117,213 | - | 42 | - | $2,790 | $256,538 | 1 | Buena Vista International | true | false |
| 5 | - | The Sentinel | $87,045 | - | 35 | - | $2,487 | $87,045 | 1 | 20th Century Fox International | true | false |
| 6 | 8 | March of the Penguins | $68,653 | +13.8% | 24 | +1 | $2,860 | $316,453 | 4 | Roadshow Films | false | false |
| 7 | 5 | Mrs. Henderson Presents | $57,882 | -11.9% | 41 | +2 | $1,411 | $538,159 | 4 | Hopscotch Films | false | false |
| 8 | 4 | Inside Man | $55,169 | -34.4% | 38 | -2 | $1,451 | $346,670 | 3 | United International Pictures | false | false |
| 9 | 9 | She's the Man | $52,817 | +10.7% | 30 | - | $1,760 | $156,825 | 2 | Roadshow Films | false | false |
| 10 | 6 | Failure to Launch | $49,277 | -19.7% | 45 | +2 | $1,095 | $151,009 | 2 | United International Pictures | false | false |
| 11 | 7 | Keeping Mum | $48,565 | -19.7% | 51 | -2 | $952 | $255,733 | 3 | Icon Film Distribution | false | false |
| 12 | 3 | When a Stranger Calls | $48,526 | -47.3% | 48 | -2 | $1,010 | $206,502 | 2 | Sony Pictures Releasing | false | false |
| 13 | - | Eight Below | $42,090 | - | 44 | - | $956 | $42,090 | - | Buena Vista International | - | false |
| 14 | 12 | Kinky Boots | $33,387 | -10% | 31 | -11 | $1,077 | $175,292 | 3 | Buena Vista International | false | false |
| 15 | 14 | Walk the Line | $27,149 | -0.6% | 34 | -1 | $798 | $1,661,630 | 11 | 20th Century Fox International | false | false |
| 16 | 10 | V for Vendetta | $18,582 | -58.6% | 32 | -18 | $580 | $407,327 | 4 | Warner Bros. | false | false |
| 17 | 15 | First Descent | $18,489 | -12.4% | 16 | +1 | $1,155 | $50,731 | 2 | Rialto Distribution | false | false |
| 18 | 13 | Just Friends | $17,382 | -44.2% | 37 | - | $469 | $71,842 | 2 | Hoyts Distribution | false | false |
| 19 | 16 | Caché | $11,128 | -7.8% | 7 | - | $1,589 | $73,979 | 3 | Dendy Films | false | false |
| 20 | 17 | Brokeback Mountain | $7,880 | -13.7% | 11 | - | $716 | $718,389 | 11 | Roadshow Films | false | false |
