Billy West Phillip J. Fry, Profesor Hubert Farnsworth, Dr. John Zoidberg Voice Katey Sagal Turanga Leela Voice John DiMaggio Bender Voice Tress MacNeille Linda Voice Maurice LaMarche Lt. Kif Kroker, Morbo, Calculon Voice Phil LaMarr Hermes Conrad Guest Voice Lauren Tom Amy Wong Guest Voice David Herman Dr. Ogden Wernstrom, C. Randall Poopenmeyer Guest Voice Dan Castellaneta The Robot Devil Guest Voice David Cross Yivo Guest Voice Stephen Hawking Himself Guest Voice Brittany Murphy Colleen O'Hallahan Guest Voice Matt Groening Executive Producer David X. Cohen Executive Producer, Writer Ken Keeler Executive Producer Peter Avanzino Director Eric Kaplan Writer