Trey Parker as Self

Matt Stone as Self

Les Claypool as Self (Primus)

Larry Lalonde as Self (Primus)

Tim Alexander as Self (Primus)

Aaron Freeman as Self (Ween)

Michael Melchiondo Jr. as Self (Ween)

Glenn McClelland as Self (Ween)

Claude Coleman as Self (Ween)

Dave Dreiwitz as Self (Ween)

Geddy Lee as Self (Rush)

Alex Lifeson as Self (Rush)

Bruce Howell as Lead Guitar

Joanne Javieh Coudriet as Background Vocals

Gabriela Hankins as Background Vocals

Ashley Moniz as Background Vocals

Natalie Wachen as Background Vocals

Jordan Powers as Background Vocals

Carly Thomas Smith as Background Vocals

John A. Hansen Jr. as Mr. Slave

Graham Bowen as Tap Dancer

Stanley G. Sawicki as Catatafish

Kurt Nickels as Sparrow Prince

McKenzie Marshall as Frog King

Betty Boogie Parker as Harper (uncredited)