Billy West

Philip J. Fry / Dr. Zoidberg / Prof. Hubert J. Farnsworth (voice)

Katey Sagal

Turanga Leela (voice)

John DiMaggio

Bender (voice)

Tress MacNeille

Fanny / Michael's Wife / Boobs Vanderbilt / Dixie / Linda / Petunia / Ruth Ginsberg's Head / Mom (voice)

Maurice LaMarche

Kif Kroker (voice)

Phil LaMarr

Hermes Conrad (voice)

Dawnn Lewis

LaBarbara Conrad / Womens' Prison Warden (voice)

Lauren Tom

Amy Wong (voice)

Snoop Dogg

Snoop Dogg's Head (voice)

Phil Hendrie

Frida Waterfall / Hutch Waterfall / The Encyclopod (voice)

Seth MacFarlane

Mars Vegas Singer (singing voice)

David Herman

The Number 9 Man / Scruffy / Michael / Neputnian (voice)

Penn Jillette

Penn Jillette's Head (voice)

Teller

Teller's Head (credit only)