| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | 1 | Ice Age: The Meltdown | $404,978 | -23.7% | 75 | - | $5,399 | $1,530,507 | 2 | 20th Century Fox International | false | false |
| 2 | 2 | Samoan Wedding | $246,781 | -24.6% | 48 | +3 | $5,141 | $1,003,993 | 3 | Sony Pictures Releasing | false | false |
| 3 | - | When a Stranger Calls | $92,078 | - | 50 | - | $1,841 | $113,877 | 1 | Sony Pictures Releasing | true | false |
| 4 | 3 | Inside Man | $84,127 | -26.1% | 40 | - | $2,103 | $316,803 | 2 | United International Pictures | false | false |
| 5 | 4 | Mrs. Henderson Presents | $65,717 | -26.3% | 39 | - | $1,685 | $275,662 | 3 | Hopscotch Films | false | false |
| 6 | - | Failure to Launch | $61,360 | - | 43 | - | $1,426 | $72,581 | 1 | United International Pictures | true | false |
| 7 | 6 | Keeping Mum | $60,452 | -17% | 53 | +1 | $1,140 | $57,470 | 2 | Icon Film Distribution | false | false |
| 8 | 8 | March of the Penguins | $60,322 | +47.9% | 23 | +14 | $2,622 | $115,193 | 3 | Roadshow Films | false | false |
| 9 | - | She's the Man | $47,701 | - | 30 | - | $1,590 | $47,701 | 1 | Roadshow Films | true | false |
| 10 | 5 | V for Vendetta | $44,924 | -44.6% | 50 | - | $898 | $312,003 | 3 | Warner Bros. | false | false |
| 11 | - | The Shaggy Dog | $43,879 | - | 42 | - | $1,044 | $43,879 | - | Buena Vista International | - | false |
| 12 | 7 | Kinky Boots | $37,092 | -35.5% | 42 | - | $883 | $89,003 | 2 | Buena Vista International | false | false |
| 13 | - | Just Friends | $31,173 | - | 37 | - | $842 | $31,173 | 1 | Hoyts Distribution | true | false |
| 14 | 9 | Walk the Line | $27,306 | -19.3% | 35 | -4 | $780 | $1,701,318 | 10 | 20th Century Fox International | false | false |
| 15 | - | First Descent | $21,099 | - | 15 | - | $1,406 | $21,099 | 1 | Rialto Distribution | true | false |
| 16 | 14 | Caché | $12,069 | +6.3% | 7 | - | $1,724 | $40,992 | 2 | Dendy Films | false | false |
| 17 | 15 | Brokeback Mountain | $9,126 | -13.3% | 11 | +1 | $829 | $670,312 | 10 | Roadshow Films | false | false |
| 18 | 10 | Basic Instinct 2 | $7,313 | -62% | 14 | -23 | $522 | $96,570 | 3 | 20th Century Fox International | false | false |
| 19 | 18 | Capote | $4,986 | +13.3% | 5 | - | $997 | $197,157 | 9 | Sony Pictures Releasing | false | false |
| 20 | - | As It Is in Heaven | $4,739 | - | 9 | - | $526 | $137,289 | 16 | Rialto Distribution | false | false |
