Robot and Monster

Dave Pressler

Joshua Sternin

Jennifer Ventimilia

Harland Williams

Monster

Curtis Armstrong

Robot, Marf, Narf, Robot-Bot

Maurice LaMarche

Gart, Perry, Loudmouth, Announcer, Actor, Anchorman, Blimp Announcer, Emcee, Figure, Generic, Grease Monster, Howly, Man, Mc, News Anchor, Newscaster, Patron, Pedestrian, Sportscaster, Worker #1

Jonathan Slavin

Ogo

Cree Summer

Spitfire, Globitha, Child, Baby, Kid, Little Girl, Loser's Wife, Monster Cece, Mother, Patron, Woman, Woman #1

Nolan North

Crikey, Uncle Kuffley, Actor, Crickey, Doctor, Hal Worth-A-Ton, Acquaintance, Actor #2, Bert, Blimey, Co-Worker, Delivery Man, Eye Clutching Fan, Generic, Generic #2, Hal Worth-a-Ton, Hal Worth-a-Tron, Hal Wotrh-A-Ton, Johnny Handsome, Li'l Lugnuts, Male Nurse, Man, Man #1, Man #3, Mechanical Salesman, Monster Carol, Mr. Sreebs, Pendulum Depot, Pole-A-Player, Pole-O-Player, Sal, Suspect

Fred Tatasciore

Punch Morley, Moby, Prince of Scamtown, Actor #1, Actor Referee, Announcer, Audrey, Coworker #1, Criminal, Emcee, Generic, Generic Dad, Generic Male, Generic Mechanical, Goon, Loser, Megaphone Cop, Micky the Axe, Monster Corrie, Ominous Voice, Pole-o Player, Police Officer, Puppeteer, Radio Dispatcher, Rainbow Wig, Shark, Stagehand, TV St. Crispy, Worker #3

Megan Hilty

J.D.

Rhea Perlman

Nessie

Ping Wu

Master Grabmirist

Jeff Bennett

Snap Winsome, Emcee, Li'L ugnuts, Marf (Speaking), Suspicious Guy

Julianne Buescher

Coworker #2, Newscaster, Tube Voice, Voice, Woman

April Winchell

Arpa, Grandma, Grandma 10010, Employee, Generic Female, Warning Voice

Kari Wahlgren

Baconeers, Gart-Gantuans, Robo Ono

Bill Fagerbakke

Lev, Lev Krumholtz

Jennifer Cody

Lucy, Female Computer Voice

Kurtwood Smith

Mr. Wheelie

Leon Thomas III

Monster

Jeffrey Tambor

Saint Crispy

Greg Cipes

Vapid Milquetoast

Dave Pressler

Joshua Sternin

Jennifer Ventimilia

Dave Pressler

Dave Pressler