Cancer-stricken James Van Der Beek wasn't able to attend the long-anticipated Dawson's Creek reunion in New York City, but he appeared via a pre-taped segment that has fans terribly worried, RadarOnline.com can reveal.

The 48-year-old actor looked gaunt and frail while sending a message to fans.

He announced the day prior he was unable to attend the Monday, September 22, event at the last minute, telling followers he was "gutted" after contracting several stomach viruses . Article continues below advertisement

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Van Der Beek was shown from the shoulders up in a close-up, wearing a newsboy cap and looking pale and thin.

The star revealed he had been diagnosed with stage III colorectal cancer i

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