A movie? Well, according to The Armchair Empire, there could well be!! Here's a snippet:
Well, looks like Valve are pondering the thought of making a movie based on Half-Life. *Sigh* At this time they're taking suggestions on casting, story, and whatnot. If you want to give your two cents, or just tell them to Stop The Madness!, drop them a line at:Well, that would be quite a mad idea, but in this day and age where practically anything is possible, who knows?
movie@valvesoftware.com