The show, starring Dylan Walsh and Julian McMahon, debuted in 2003 and became an instant critical and ratings hit.
But reports suggest that the most recent episode -- the 100th -- was the last. It wrapped on June 12.
Cast member John Hensley confirmed the sad news, telling PerezHilton.com, "I feel we've reached a creative impasse with regards to what we can do with this story.
"I just feel that we were a show that was very good and innovative at one point and we've gone the way of so many shows before us. Our moment has passed."
And fans face a long wait to see the final shows, which won't air until 2011.
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