"Words cannot express the horror that I feel," Bale, who plays the caped crusader in the film, said in a statement. "I cannot begin to truly understand the pain and grief of the victims and their loved ones, but my heart goes out to them."
Meanwhile, Sony, Fox, Disney, Universal, Fox, Paramount and Lionsgate said Saturday that they are joining "Dark Knight Rises" distributor Warner Bros. in withholding their box-office numbers for the weekend.
Warner Bros. announced Friday that it would forgo the usual revenue reports until Monday out of respect for the victims and their families in the Aurora, Colo., shooting that killed 12 and wounded 58 at the midnight show of "The Dark Knight Rises" earlier in the day.
The other studios said they also would not report numbers until Monday. Box-office tracking service Rentrak, too, said it would not report figures this weekend.
Sunday box-office estimates are a weekly routine for Hollywood, with studios jostling for bragging rights as the No. 1 movie and always aiming to break revenue records.
Before the shooting in an Aurora, Colo., movie theater at a midnight screening of the new Batman film, the box-office performance of "The Dark Knight Rises" had been eagerly anticipated. The film is expected to be among the most lucrative movie openings and possibly contend with the record $207.4 million brought in by "The Avengers."
But that now appears unlikely, even though "The Dark Knight Rises" earned $30.6 million from midnight screenings alone. Hollywood trade publications Variety and Hollywood Reporter reported estimates of roughly $75 million to $77 million for the film on Friday, based on box-office insiders.
That would put it on track for somewhere around $165 million for the weekend. Such a total would be the second highest weekend opening ever, after "The Avengers."
Any projections, though, are bound to be rough approximates given the atypical nature of the situation. Many of Friday's tickets were presold before the shooting. Moviegoers making their way to theaters also faced increased security and, in some places, bag checks. AMC Theaters, the country's second-largest movie chain, said it would not allow costumed fans or face-covered masks into its theaters.
Warner Bros. rushed to react to the tragedy, immediately canceling a Friday night premiere in Paris. On Saturday, it also canceled the other remaining red-carpet extravaganzas in Mexico City and Tokyo.
The studio, a subsidiary of Time Warner Inc., also moved to pull trailers from its upcoming film "Gangster Squad" from theaters. The trailer of the film, which stars Sean Penn and Ryan Gosling in a ruthless war between Los Angeles police and the mob, includes a scene of mobsters firing into a crowded movie theater from behind the screen.
Christopher Nolan, the director of "The Dark Knight Rises" earlier responded to the tragedy, expressing his sorrow for the victims and their families.
Said Nolan: "The movie theater is my home and the idea that someone would violate that innocent and hopeful place in such an unbearably savage way is devastating to me."