Trey Parker

Stan Marsh / Eric Cartman / Gregory / Satan / Mr. Garrison / Mr. Hat / Phillip Niles Argyle / Randy Marsh / Clyde Donovan / Tom - News Reporter / Midget In A Bikini / Canadian Ambassador / Bombardiers / Mr. Mackey / Army General / Ned Gerblanski / Christophe - Ze Mole (or The Mole) / Big Gay Al (singing) / Adolf Hitler / Additional Voices (voice)

Matt Stone

Kyle Broflovski / Kenny McCormick / Saddam Hussein / Terrance Henry Stoot / Big Gay Al / Ticket Taker / Stuart McCormick / Jimbo Kearn / Gerald Broflovski / Butters Stotch / Additional Voices (voice)

Mary Kay Bergman

Liane Cartman / Sheila Broflovski / Sharon Marsh / Carol McCormick / Wendy Testaburger / Clitoris / Additional Voices (voice)

Isaac Hayes

Chef (voice)

Jesse Brant Howell

Ike Broflovski (voice)

Anthony Cross-Thomas

Ike Broflovski (voice)

Franchesca Clifford

Ike Broflovski (voice)

Bruce Howell

Man in Theater (voice)

Deb Adair

Woman in Theater (voice)

Jennifer Howell

Bebe Stevens (voice)

George Clooney

Dr. Gouache (voice)

Brent Spiner

Conan O'Brien (voice)

Minnie Driver

Brooke Shields (voice)

Dave Foley

The Baldwin Brothers (voice)

Eric Idle

Dr. Vosknocker (voice)

Nick Rhodes

Canadian Fighter Pilot (voice)

Toddy Walters

Winona Ryder (voice)

Stewart Copeland

American Soldier #1 (voice)

Stanley G. Sawicki

American Soldier #2 (voice)

Mike Judge

Kenny's Goodbye (voice)

Howard McGillin

Gregory (singing voice) (uncredited)