The Nicolas Cage action-thriller “Bangkok Dangerous” needed just $7.8 million to take the top spot at the box office in what was the slowest movie weekend in seven years, according to studio estimates released Sunday.

The total weekend box office gross was expected to reach just $66 million, the lowest figure since the $59.5 million reported for the weekend of Sept. 21, 2001, according to Media by Numbers.

“We had no strong holdover from Labor Day Weekend to boost the box office,” said Paul Dergarabedian, president of Media by Numbers.

“Bangkok Dangerous,” a remake of a 1999 Asian movie that opened on 2,650 screens, performed within Lionsgate’s expectations, said Steve Rothenberg, the studio’s vice president of distribution.

“We’re going to make a profit on it,” he said. “We lucked out. No one was going against it.”

Coming in second was “Tropic Thunder,” the DreamWorks-Paramount combat comedy starring Ben Stiller, Jack Black and Robert Downey Jr. It earned $7.5 million in its fourth week of release, good for No. 2 after three weeks in the box office top spot. Its cumulative total is $96.8 million.

In third place was Sony/Columbia’s frothy comedy “The House Bunny” with $5.9 million, giving it a cumulative total of $37 million after three weeks.

“It’s a very nice hit for us,” said Steve Elzer, senior vice president of media relations for Columbia Pictures.

Rounding out the top five films was “The Dark Knight,” in fourth place with $5.7 million and Overture Films’ espionage drama “Traitor,” with $4.7 million.

The weekend results brought “The Dark Knight’s” cumulative total to $512 million, second only to “Titanic.”

The slowdown in ticket sales is typical for September, which falls between the big summer blockbuster season and the period when studios begin rolling out offerings primed for Academy Award consideration. It also comes at a time when the fall TV season is just gearing up.