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 (voice)
Matt Stone
Chris / George Clooney / Danny Glover / Ethan Hawke (voice)
Kristen Miller
Lisa (voice)
Chelsea Marguerite
Police Officer / French Mother / French Police (voice)
Masasa Moyo
Sarah (voice)
Daran Norris
Spottswoode (voice)
Fred Tatasciore
Samuel L. Jackson (voice)
Phil Hendrie
I.N.T.E.L.L.I.G.E.N.C.E. / Chechnyan Terrorist (voice)
Jeremy Shada
Jean Francois (voice)
Maurice LaMarche
Alec Baldwin (voice)