Russell Brand
Dr. Nefario (voice)

Jean-Claude Van Damme
Jean Clawed (voice)

Dolph Lundgren
Svengeance (voice)

Danny Trejo
Stronghold (voice)

Lucy Lawless
Nun-Chuck (voice)

Jimmy O. Yang
Henchman 1 (voice)

Kevin Michael Richardson
Henchman 2 (voice)

John DiMaggio
Henchman 3 (voice)

RZA
Biker (voice)

Michael Beattie
VNC Announcer / Guru Rick (voice)