James Urbaniak

as Nick

as Roscoe

as Mr. Morton

as Dr. Friedrich Metzger

as Eustace the Boss

as Ebenezer Scrooge

as Drama Teacher

as Dr Sven Rendall

as William Shaffer

as Dr. Robert Montee(2 eps)

as Proprietor Isaac

as Kirby

as Hugh Strange (voice)(1 ep)

as Confused Fan (voice)

as Palm Royale Manager(5 eps)

as Herb

as (voice)(2 eps)

as Lionel

as Roy

as Dr. Venture / Phantom Limb / Jonas Venture Jr. (voice)

as Kurt Gödel

as Rocky (voice)

as Victor Simmons

as Gordon

as Roman Soldier(1 ep)

as Heinrich Himmler

as Grand View High School Principal

as Irv Merlin

as Bram Sokolov

as Interviewer(2 eps)

as Tanner

as Del Close

as Professor Anthony

as Commercial Bot (voice)(1 ep)

as Self(1 ep)

as Imp(1 ep)

as Pierce Hamilton(10 eps)

as Backstage Manager(1 ep)

as Gavin Donahue(3 eps)

as Ophthalmologist(1 ep)

as Dr. Toodles (voice)(1 ep)

as Agent Marcus Strang

as Stevie(1 ep)

as Tom(1 ep)

as The Trinket Man(1 ep)

as Mike Holland(1 ep)

as Jeremy(1 ep)

as Professor Pyg (voice)

as Dr. Kincaid, Rose's Father

as Gus Lobrano

as Harry

as Joff (voice)(1 ep)

as The Agent

as M-OC (voice)(8 eps)

as M-OC / Imperial Ensign (voice)(1 ep)

as M-OC / Sgt. Corcillo (voice)(1 ep)

as Carl Fromm(1 ep)

as Maaldorian Doctor(1 ep)

as James Miller(1 ep)

as Howard Pine(1 ep)

as Arthur Tack(28 eps)

as Nose Picker Fish (voice)(1 ep)

as Fisher

as Simon Grim

as Doll Zero

as Norm Wakely(1 ep)

as Thriffith (voice)(2 eps)

as Miles Van Ert(2 eps)

as Lemur #1 (voice)(1 ep)

as Rev. Boxley Fryer

as Sir Broderick / Male Workman 1 / Male Workman 2 (voice)

as Dr. Cooper Whitehead, Ph.D.

as Grant Grunderschmidt(22 eps)

as Glen

as Nick Lingeman(1 ep)

as Sweetie

as Bill Gates

as Henrik Habersteam(3 eps)

as The Dark One

as Dr. Leo Demopoulos(1 ep)

as Mr. Blakeney(1 ep)

as Mike Sylva(1 ep)

as Dave Fisher

as Ernst

as Larry(2 eps)

as Walter Morgan(1 ep)

as Richard Simmons(1 ep)

as Walter Morgan / John Fox(1 ep)

as Danny

as Daniel Grubstick(1 ep)

as Mike Tappin

as Mr. Pritchett

as Gary Nathan(1 ep)

as Jack Lessenberry

as Gary

as Principal Roy

as Rat King / Leaf Beard (voice)(1 ep)

as Vice President Blowfish (voice)(1 ep)

as Pete

as Self - Guest(1 ep)

as Rev. Boxley Fryer(1 ep)

as Judge Bernard Temple(1 ep)

as (voice)

as Future Doctor(1 ep)

as Gary(4 eps)

as Aaron Kalinoski(1 ep)

as Dr. Besman

as Rennie Davis / Richard Schultz (voice)

as Cafe Manager(1 ep)

as Sarkissian(1 ep)

as Sadie's Manager

as Educational Consultant

as Himself

as Simon Grim

as Dr. James Pearn

as Alex Scarvey

as Lewis Croshere

as Owen Quinn(2 eps)

as The Wizard(1 ep)

as The Ranger

as Rolf(4 eps)

as Funk

as Binky Moore(1 ep)

as Mr. Enright(1 ep)

as Dr. Venture (voice)(81 eps)

as Professor Friend

as Rod Daniels(1 ep)

as Robert Crumb

as Lab Technician

as Druden Hunt

as Rod Flexner

as Damon Lafleur(1 ep)

as Max Paulson(1 ep)

as Simple Simon

as Concierge

as Martin

as Agent Hopper

as Roger Stern(1 ep)

as Gallery owner(1 ep)

as Olivier Di Santo

as Harry

as Poker Player

as Wade Donato(1 ep)

as True Believer

as Simon Grim

as Buster(1 ep)

as Isaac

as (voice)

as James