According to The Calgary Sun, a movie based on the Fox series "24" is in the works. But whether it will be shot in real-time is still up for consideration, says the show's Canadian director/producer Jon Cassar.

"The last I heard, the first hour will not be in real-time, but then something big will happen and real time will kick in. It still has to be worked out -- it's at a stage where they need to write it."

Cassar will not predict a storyline for the big screen version of the hugely popular show.

He says the script will likely depend on what's happening on the series prior to the movie coming out.

"It could still be two years from now, so it's far too early to say," he says, adding even if he did know, he wouldn't give it away.

"The No. 1 question people ask me is 'what's going to happen next?' My response is always, 'Do you really want to know?' and they always think about it and then say 'no.' "

When 24 debuted in 2001 with its new twist (all the action happens in real time, over 24 hours), viewers instantly took notice and the show climbed to the top of the ratings.

Cassar says he was a little surprised by its instant success. In fact, when he first heard the real-time concept for the show, he recalls thinking, "God, that would be so boring. Who's going to want to watch that?"

"The reason I think it worked is because of how it is shot and the scripts. The writers are amazing -- they have been able to come up with yet another bad day for Jack for two years now."

Cassar's style of shooting full scenes without interruption, makes him one of the most sought after producer/directors in the industry.

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