AirLockAlpha.com

It looks like the experiment to make 'Moonlight' the new 'Angel' has failed.

E! Online's Jennifer Godwin is reporting that David Greenwalt's stay with the upcoming CBS series as an executive producer will be brief, leaving the show after what the network described as "creative reasons."

Greenwalt's time on the show didn't even make two months, with CBS first announcing his involvement at the beginning of June.

Even before Greenwalt came on board, many fans talked about how "Moonlight" bore a lot of resemblances to one of the producer's previous projects, "Angel," that was once on The WB, a spinoff of "Buffy the Vampire Slayer." Under Greenwalt's short time on the show, a number of characters have been recast, but the original premise of an undead private investigator using his vampire abilities to fight evil remained the same.

Greenwalt talked about the show just last week during CBS' portion of the Television Critics Association press tour in California.

"I read a couple of pages [of the pilot script] and discovered it was a vampire detective," Greenwalt said at the time, according to SciFi Wire. "I said not only am I not going to read this, I'm going to sue them. This is my show. But [my agent] kept talking to me and eventually I did read it, and I did fall in love with it."

The project still involves Joel Silver as an executive producer, along with writers Ron Koslow and Trevor Munson.

It is unclear who CBS will bring in to replace Greenwalt as showrunner, as the network has yet to officially confirm the producer's exit.

VOTE NOW! The polls are open for the 2007 SyFy Genre Awards! Cast your ballot now!