Kristy Swanson, Jason Priestley, Danny Glover, William Shatner...

The list of season six guest stars on Psych is almost too long to go over. But it's safe to say these impressive names would be enough of a reason to tune in to season six of this USA show, and that's before we even get to the antics of Shawn and Gus themselves.

Check out photos from the October premiere of Psych now and then watch a few scenes starring these incoming, part-time players below: