James Marsden 30 Rock Pictures

The next two weeks of 30 Rock bring a bevy of awesome guest stars for our enjoyment, and we can't wait to see how James Marsden, Denise Richards, and Kelsey Grammer all mesh with the rest of that motley crew. Click through to see all the faces you can look forward to in tonight's and next week's episodes "Idiots Are People Two" and "Idiots Are People Three"!