Trey Parker

as 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

as Chris / George Clooney / Danny Glover / Ethan Hawke (voice)

Kristen Miller

as Lisa (voice)

Chelsea Marguerite

as Police Officer / French Mother / French Police (voice)

Masasa Moyo

as Sarah (voice)

Daran Norris

as Spottswoode (voice)

Fred Tatasciore

as Samuel L. Jackson (voice)

Phil Hendrie

as I.N.T.E.L.L.I.G.E.N.C.E. / Chechnyan Terrorist (voice)