| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | - | Date Movie | $1,331,404 | - | 224 | - | $5,943 | $1,331,404 | 1 | 20th Century Fox International | true | false |
| 2 | 1 | Walk the Line | $965,332 | -24.4% | 248 | -4 | $3,892 | $5,429,526 | 3 | 20th Century Fox International | false | false |
| 3 | - | Syriana | $629,531 | - | 92 | - | $6,842 | $629,531 | 1 | Warner Bros. | true | false |
| 4 | 4 | Brokeback Mountain | $588,058 | +11.8% | 85 | +35 | $6,918 | $3,943,993 | 4 | Roadshow Films | false | false |
| 5 | - | Casanova | $476,553 | - | 107 | - | $4,453 | $811,198 | 1 | Buena Vista International | true | false |
| 6 | 2 | Jarhead | $474,329 | -57.2% | 176 | -2 | $2,695 | $1,936,209 | 2 | United International Pictures | false | false |
| 7 | - | Lord of War | $387,573 | - | 113 | - | $3,429 | $387,573 | 1 | Hoyts Distribution | true | false |
| 8 | 3 | Just Friends | $378,453 | -50.1% | 174 | - | $2,175 | $1,419,429 | 2 | Hoyts Distribution | false | false |
| 9 | - | Goal! The Dream Begins | $344,299 | - | 142 | - | $2,424 | $346,668 | 1 | Roadshow Films | true | false |
| 10 | 5 | Memoirs of a Geisha | $263,596 | -44.4% | 186 | -14 | $1,417 | $6,692,066 | 5 | Roadshow Films | false | false |
| 11 | 6 | Big Momma's House 2 | $228,051 | -48% | 169 | -18 | $1,349 | $3,746,073 | 4 | 20th Century Fox International | false | false |
| 12 | 7 | Munich | $213,508 | -50.8% | 194 | -26 | $1,100 | $3,623,681 | 4 | United International Pictures | false | false |
| 13 | 8 | Keeping Mum | $148,076 | -47% | 174 | -20 | $851 | $2,130,315 | 4 | Icon Film Distribution | false | false |
| 14 | 13 | Mrs. Henderson Presents | $97,379 | -22.3% | 89 | -3 | $1,094 | $3,615,752 | 8 | Hoyts Distribution | false | false |
| 15 | 11 | Nanny McPhee | $91,652 | -40.4% | 116 | -70 | $790 | $6,074,598 | 6 | United International Pictures | false | false |
| 16 | - | Capote | $86,386 | - | 24 | - | $3,599 | $96,978 | - | Sony Pictures Releasing | - | false |
| 17 | 9 | The Chronicles of Narnia: The Lion, the Witch and the Wardrobe | $84,348 | -51.7% | 129 | -47 | $653 | $25,690,113 | 8 | Buena Vista International | false | false |
| 18 | 14 | Good Night, and Good Luck. | $65,850 | -40.8% | 42 | -1 | $1,567 | $2,058,851 | 10 | Dendy Films | false | false |
| 19 | 10 | Underworld: Evolution | $55,410 | -67.9% | 67 | -76 | $827 | $3,885,181 | 5 | Sony Pictures Releasing | false | false |
| 20 | 15 | The Family Stone | $46,146 | -57% | 77 | -16 | $599 | $3,752,959 | 8 | 20th Century Fox International | false | false |
