• Psych: An American Werewolf in London's David Naughton has signed on to guest star in the show's Halloween-themed episode, co-written by leading man James Roday. He'll play Dr. Ken Tucker (no connection to EW TV critic extraordinaire), a self-serving sociopath with a plan that Shawn and Gus uncover. Psych's fourth season begins Aug. 7.

http://ausiellofiles.ew.com/2009/07/casting-scoops-on-psych-supernatural-and-more.html#more

i love it when Psych has the special guest stars,


but the one I am really waiting for is... "with special Guest Star Tony Shaloub as Detective Adrian Monk" !!!