Billy West
Philip J. Fry / Dr. Zoidberg / Prof. Hubert J. Farnsworth (voix)
Tress MacNeille
Fanny / Michael's Wife / Boobs Vanderbilt / Dixie / Linda / Petunia / Ruth Ginsberg's Head / Mom (voix)
David Herman
The Number 9 Man / Scruffy / Michael / Neputnian (voix)
Dawnn Lewis
LaBarbara Conrad / Womens' Prison Warden (voix)
Phil Hendrie
Frida Waterfall / Hutch Waterfall / The Encyclopod (voix)
Seth MacFarlane
Mars Vegas Singer (chants)
Penn Jillette
Penn Jillette's Head (voix)
Teller
Teller's Head (credit only)