Harrison Ford thriller Firewall entered the Australian box office chart at the top spot last weekend.

The film stars Ford as a computer security expert whose identity is slowly infiltrated by a ruthless Paul Bettany who hold him and his family hostage, leaving it to Ford to beat him at his own game. The movie took AUS$1.32m in its debut weekend, followed in second place by non-mover Walk The Line.

The previous week's chart-topping Date Movie slipped two place to third, followed by new entry Match Point and the Oscar-winning Brokeback Mountain rounding out the top five.

Australia's top ten in full:

1. (-) Firewall - AUS$1.32m
2. (2) Walk The Line - AUS$0.98m
3. (1) Date Movie - AUS$0.83m
4. (13) Match Point - AUS$0.73m
5. (5) Brokeback Mountain - AUS$0.57m
6. (3) Hostel - AUS$0.51m
7. (4) Syriana - AUS$0.41m
8. (-) Kinky Boots - AUS$0.39m
9. (6) Derailed - AUS$0.29m
10. (12) Capote - AUS$0.27m