as Mr. Slugworth (uncredited)
as Inferno (voice)
as (voice)
as Fred Zinnemann
as Dr. Blinky / Ludicrous Lion / Seymore Spider / Various (voice)
as Mercury Theatre Player
as Zuni Fetish Doll (voice) (uncredited)
as Citizen / Thug Guard (voice)
as Harry S. Truman
as Radio Announcer (voice)
as Talking Baby Chimp (uncredited) (voice)
as Cop / Neighbor / Prosecutor (voice) (uncredited)
as Dr. Stagg
as Bus Driver / Jail Orator / Small Fag / Prospector / Mexican Official / President / Man in Elevator (voice)
as God (voice)
as 2nd Electrician
as Trucker
as Sheriff Hart
as Lt. Moore (uncredited)
as Announcer
as Mark
as Dr. Claymor
as Voice (voice) (uncredited)
as Police Chief Dennis Warren
as Engineer (uncredited)
as Squiddly Diddly / Yakky Doodle (voice)
as Pa
as Nelson Rockefeller (voice)
as Larry Brice
as TV Interviewer
as Rev. Newton
as Laura's Father
as Warner
as Witch's Encyclopedia / Old Salt / Mayor (voice)
as Deputy Cal Hartner
as Narrator
as John Muir (voice)
as Gardener
as Auctioneer
as Balok (voice) (uncredited)
as Transporter Chief (voice) (uncredited)
as Warning call from the S.S. Deidre (voice)
as Provider #2
as Space Central (voice)(uncredited)
as Teller
as Sheriff Paterson
as Russian Operator
as Ivan
as Marty (voice)
as Azulon (voice)
as J. Montague Gypsum (voice)
as Bob Frank / Whizzer (voice)
as Judge Hollander
as Hutton
as Tex
as Sir Thornberry (voice)
as Koldar
as Burnett (uncredited)
as Henry Folsom
as Ludlow
as Station Master
as Mr. Maxwell
as Dr. Hatfield
as Mr. Blume
as Brother Paul
as Sebastian (voice)
as Dr. Lakin
as Big Daddy Ooze
as Additional Voices (voice)
as Boris Karloff Tree
as Algernon (voice)
as Admiral Scuttlebutt
