On screen
Cast
67 credited performers
Paul Rugg
Freakazoid (voice)
Ed Asner
Sgt. Cosgrove (voice)
Joe Leahy
Our Narrator (voice)
Tress MacNeille
Cobra Queen / Additional Voices (voice)
Jeff Bennett
Cave Guy / Waylon Jeepers (voice)
Frank Welker
Steven Spielberg / E.T. / Additional Voices (voice)
John P. McCann
Douglas Douglas / Baseball Announcer (voice)
Maurice LaMarche
Longhorn / Medulla / Lord Pringle / Additional Voices (voice)
David Kaufman
Dexter Douglas (voice)
Tracy Rowe
Steff (voice)
David Warner
The Lobe (voice)
Rob Paulsen
George Takei (voice)
Craig Ferguson
Roddy MacStew (voice)
Googy Gress
Duncan Douglas (voice)
Jim Cummings
Janos (voice)
Jonathan Harris
Professor Jones (voice)
Ricardo Montalban
Armondo Guitierrez (voice)
Larry Cedar
Anton (voice)
Dorian Harewood
Lt. Artie King (voice)
Jess Harnell
Wakko Warner (voice)
Stephen Furst
Fan Boy (voice)
Bob Joyce
Attendant #2 (voice)
Ed Gilbert
Unag / Prof. Heiny (voice)
Brian George
Mr. Snarzetti (voice)
Clive Revill
Hermil Sioro / Inspector Hogan (voice)
Randy Crenshaw
Attendant #1 (voice)
Marc Drotman
Fatman (voice)
Elizabeth Lamers
Female Singer (voice)
Scott Menville
Toby Danger / Boy (voice)
Corey Burton
Invisibo (voice)
Jack Valenti
Himself (voice)
Mitch Schauer
Lonnie Tallbutt (voice)
Stan Freberg
Mo-Ron (voice)
Kenneth Mars
Dr. Gunther Hunterhanker (voice)
Taylor Nix
Oscar (voice)
James Patrick Cronin
Buzz (voice)
Elisabeth Moss
Kathy / Additional Voices (voice)
Granville Van Dusen
Dash O'Pepper (voice)
Mary Scheer
Sandra Danger / Additional Voices (voice)
John Rubinow
Attendant (voice)
Mari Devon
Tammy (voice)
Julie Bernstein
Singer #2 (voice)
Richard Moll
Wolf Man / Vorn the Unspeakable (voice)
Andrea Martin
Female Neighbor (voice)
Tim Curry
Dr. Mystico (voice)
Leonard Maltin
Himself (voice)
Jon Joyce
Singer #4 (voice)
John Rhys-Davies
Professor Beasthead (voice)
Dave Coulier
Teenage Boy (voice)
Norm Abram
Norm Abram (voice)
Bebe Neuwirth
Deadpan (voice)
Neil Ross
Board Member (voice)
Cree Summer
Jill (voice)
John Schuck
Arms Akimbo (voice)
Mark Hamill
Mark Hamill (voice)
Carl Ballantine
Huska (voice)
Rose Marie
Honna (voice)
Roscoe Lee Browne
Great Mystic Gnome (voice)
Larry Gelman
Young Quist (voice)
Ben Stein
H. A. Futterman (voice)
Scott McAfee
Louis (voice)
Aron Kincaid
The Nerdator (voice)
Quinton Flynn
Elliot (voice)
Mark Slaughter
Mother (voice)
Michael Des Barres
Man In Hole (voice)
Matt Landers
Turk (voice)
Don Messick
Dr. Vernon Danger (voice)