Cast of Walking Dead relive their favorite scenes at Halloween Horror Nights 2012

Well, what do you know - it seems there are a few celebrities left in Los Angeles after all. So far this season, the only celebrity sightings we posted were from the Orlando Flordia version of Universal Studios' Halloween Horror Nights. Now at last we have some celebrity photographs from Halloween Horror Nights at Universal Studios Hollywood.

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First up is cast and crew from AMC's TV series The Walking Dead: Lauren Cohan (“Maggie”), Norman Reedus (“Daryl”) and “ Chandler Riggs (“Carl”), joined by special makeup effects man Greg Nicotero, of KNB Effects. Not coincidentally, The Walking Dead is prominently featured at this year's Halloween Horror Nights, in its own maze (The Walking Dead: Dead Inside) and on the Back Lot Terror Tram Tour.

Also on view at Halloween Horror Nights: Kat Von D, Tommy Lee, DeadMau5, the Oakland Raiders, and rapper Tyga have a series of close encounters with the demonic denizens of Universal's annual Halloween event.