Departing CSI: Crime Scene Investigation star William Petersen has hinted he'll return for a big screen version of the hit TV drama.

The actor, who will give up his role as forensics expert Gil Grissom on the show during the forthcoming season, admits there have been talks about turning the series into a blockbuster movie for years - and it still might come off.

Petersen, who will stay on as a producer of the show after his departure this autumn, says, "I'd love to see us make a CSI film... That's the reason Grissom isn't going to die of a brain tumor. It would be good if we did it (film) right. The whole world is interested in the show... (but) you have to make sure it's not just an extended episode."

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(This news article provided by World Entertainment News Network)