Grandpa Squirrel (voice)

Ganthet (voice)

Bob Taylor (voice)

Zelig (voice)

Mr. Slate / Roller Coaster Operator (voice)

Doggie Daddy (voice)

Professor Crackpotkin (voice)

Professor Charles Xavier (voice)

(voice)

Doc / Philo / Gunge (voice)

Jack Bennett 'Bionic-1' / Klunk (voices)

Doggie Daddy (voice)

Thundercracker / Windcharger / Huffer

Kup (voice)

Professor Busby / Olaf the Terrible (voice)

Dr. LaRue (voice)

Klaus / Milo Damp (voice)

Doctor Strange (voice)

(voice)

Colossus / Piotr Rasputin / Thunderbird / John Proudstar (voice)

Additional Voices (voice)

Wilford Wolf (voice)

Mr. Slate

McGee (voice)

Miguel Valdez

Nick Papas / Lord Silvertree

Sylvester

Chef

Mayor / Anthead / Big Mouse / Magnet Man / Catman / Dr. Rufus T. Gadgets / Marble Man / Mr. Van Pire / Dr. Lash, Clyde

Mr. Slate

Norm Crowder

Mildew Wolf / Dread Baron / Great Fondoo / Doggie Daddy (voice)

Additional Voices (voice)

Schnooker (voice)

Sheriff Bagley

Reuben Kincaid

Colonel Wilcox (voice)

Mr. Socrates (voice)

Leonard Paxton

Dr. Joiner

Mr. Slate

(voice)

Lucas / Alberto (voice)

Creech (voice)

Scorpions Owner (voice)

Vernon Crow (voice)

Mr. Thayer / Duke Jason (voice)

Mr. Slate

The Black Knight / Museum Worker (voice)

Viking Puppet / Pirate Puppet (voice)

Samson the Strongman (voice)

Big Bob Oakley / Dracula / Werewolf (voice)

Sheriff / The Zombie (voice)

Butler / C.L. Magnus / The Ghost of Redbeard (voice)

Professor Wayne / The Caveman (voice)

The Creeper (voice)

John Simms / The Witch Doctor / Mano Tiki Tia (voice)

Stuart Wetherby / Ghost of Elias Kingston (voice)

The Mummy of Ankha (voice)

Mr. Hyde / Dr. Jekyll (voice)

Detective Douglas

Blubber Bear (voice)

Fariik (voice)

Number One (voice)

Additional Voices

Narrator (voice) (uncredited)

John Nivin

Director

Chief Winchley

Felix

Captain Mueller

Major Kohler

Inspector General

Karl

Decker

Man #1

Major Stone

Dr. Quest (voice)

Colonel Fuzzby

Colonel Fuzzby

Mr. Landman

Professor Robert Graham

Dr. Scarem (voice)

Gary Gammaray (voice)

Commissioner / DWMR Officer (voice)

Fancy-Fancy (voice)

Radio Announcer (voice) (uncredited)

Annoucer / Chairman / Guy / Charlie (voice)

Joe Rockhead / Andre / Barker / Man #1 (voice)

Mr. Slate (voice)

Harlie / Old Man / Sergeant / Radio Announcer (voice)

Mailman / Joe Rockhead (voice)

Fingers / Sarge / Announcer / Attendant (voice)

Perry Gunite / Jeweler (voice)

Narrator / F.M. / Boss / Guy #2 / Stonehead (voice)

Mr. Bourter / Charlie / General / Sergeant / Guy #1 (voice)

B.J. / Guy #1 / Al / Guy #3 / Frank (voice)

Scat / Rockwell (voice)

Driver / Maitre d' / Indian (voice)

Photographer #3 / J.J. Granite / Kid (voice)

Rock Quarry (voice)

Boss Rockhead / Cop / Announce (voice)

Mr. Slate / Doc / Hammerslag (voice)

Stan / Sam / Mac (voice)

Spike / Butler / 1st Man / Cop #3 (voice)

Mr. Slate / Charlie / King / Man #3 (voice)

Mr. Rockhead / O'Shale / Hot Dog Vendor (voice)

Joe Rockhead / Emcee / Guy #2 / Cheers (voice)

Doctor / 2nd Doctor (voice)

Doctor / Announcer (voice)

Mr. Slate / Cowboy / Professor (voice)

Sam (voice)

Joe Rockhead (voice)

German Doctor / Intern (voice)

Rockbound / Chef / Agent (voice)

Mailman / Mailman #2 / Mr. Slate / Chief of Police (voice)

Mike / Captain / Announcer (voice)

Emery / Mr. John Sludge / Announcer (voice)

Mr. Slate / Announcer (voice)

Mr. Slate / Arnold's Father / Coach (voice)

Director / Announcer (voice)

Mr. Slate / Pierre / Mediator / Butler (voice)

Cop #1 (voice)

Mr. Slate / Charlie / Announcer / Guy #1 (voice)

Sam / Announcer (voice)

TV Announcer / Butler / Cop / Reporter #2 / News Reader (voice)

Grand Poobah / Doc / Mailman / Driver (voice)

Larry Lava / C.W. Crater / Goldrock / Joe (voice)

Mr. Slate / Charlie / Principal / Announcer (voice)

Hailstone / Mailman / Ringmaster (voice)

Harvey Millrocks / Mailman / Editor (voice)

Mr. Slate / Mr. Vanderock (voice)

Mr. Slate / Fireman (voice)

Mr. Slate / Card Player #1 (voice)

Mr. Slate / Dr. Ben Cavity / Sponsor / Guy #1 / Turtle (voice)

Mr. Slate / Mr. Rockhead / Buffalo / Minister #3 (voice)

Joe / Foreman / Egg / Porcupine / Governor / Agency Man (voice)

Mr. Slate / Catcher / Umpire / Casey / Guy #2 (voice)

Mr. Slate / Sarge / Dr. Firma (voice)

Mr. Slate / Pelican (voice)

Mr. Slate / Shystone / Fish (voice)

Mr. Slate / Man #2 / Scoutmaster (voice)

Mr. Slate / Hat Bird / Man #3 (voice)

Mr. Slate / Stony (voice)

Mr. Slate / Rocky / TV Announcer / Flagman (voice)

Attendant / Tiberius / Nero / Arthur / Astronomer / Cop (voice)

Mr. Slate / Wrathrock / Wig Man (voice)

Mr. Slate / Cop / Actor #1 / Actor #3 (voice)

Policeman (voice)

Sandford (voice)

Captain Reardon

Arthur Travers

Major Lennart

Joel Fletcher

Ed Davenport

Grant Reynolds

Frank Avery

Paul Skaggs

Roger Crutcher

Chet - Publication Executive

Dr. Charles Cartwright

Dr. Jacob Gerski

The Jewelry Clerk

The Quizmaster

The District Attorney

Agent Weston

Agent Warwick

Agent Jennings