| Trey Parker |
Gary Johnston / Joe / Kim Jong Il / Hans Blix / Carson / Matt Damon / Drunk in Bar / Tim Robbins / Sean Penn / Michael Moore / Helen Hunt / Susan Sarandon / Others |
| Matt Stone |
Chris / George Clooney / Danny Glover / Ethan Hawke / Matt Damon / Additional Voices |
| Kristen Miller |
Lisa |
| Masasa Moyo |
Sarah |
| Daran Norris |
Spottswoode |
| Phil Hendrie |
I.N.T.E.L.L.I.G.E.N.C.E. / Chechnyan Terrorist |
| Maurice LaMarche |
Alec Baldwin |
| Chelsea Marguerite |
French Mother |
| Jeremy Shada |
Jean Francois |
| Fred Tatasciore |
Samuel L. Jackson |