David Twohy

Box office: Vin Diesel's 'Riddick' on pace to finish at No. 1

Vin Diesel’s sci-fi vehicle “Riddick” is bringing crowds, albeit modest ones, into U.S. theaters on what is traditionally one of the slowest movie-going weekends of the year. The film took in an estimated $7.3 million on Friday and as the only major new release of the week will easily top the weekend box office.

“Riddick,” the third entry in writer-director David Twohy's sci-fi series, was predicted to tally as much as $23 million this weekend. Yet the film's distributor, Universal Pictures, did not believe the movie will open with more...