Dan Castellaneta, best known as the voice of Homer Simpson on The Simpsons, appears as Dr. Kinny, a sociology professor. Rider Strong guest stars as a student who participates as a guard in the experiment.
Dan Castellaneta, known for his voice work on "The Simpsons," portrays Dr. Kinny, a sociology professor.  Rider Strong makes a guest appearance as a student participating in the experiment.