Special Guest Stars

Dan Castellaneta
voices Robot Devil
Adam Horowitz
voices Ad-Rock's Head
Adam Horowitz
voices MCA's Head
Beastie Boys
voices Beastie Boys Heads
Mike D
voices Mike Diamond's HeadGuest Stars

Phil LaMarr
voices Hermes Conrad
Lauren Tom
voices Amy Wong
Phil LaMarr
voices Lionel Preacherbot
Tress MacNeille
voices Hookerbot 5000
Tress MacNeille
voices Lady with PurseUncredited

Frank Welker
voices Nibbler
Danny Jacobs
voices Additional Voices