(voice)

Cop / Neighbor / Prosecutor (voice) (uncredited)

Trucker

Radio Announcer (voice)

(voice)

Narrator

Harry S. Truman

Inferno (voice)

Citizen / Thug Guard (voice)

Announcer

Fred Zinnemann

Warner

Witch's Encyclopedia / Old Salt / Mayor (voice)

2nd Electrician

(voice)

God (voice)

Nelson Rockefeller (voice)

Police Chief Dennis Warren

Laura's Father

Dr. Stagg

Pa

Mark Twain (uncredited)

TV Interviewer

Dr. Claymor

Rev. Newton

Mercury Theatre Player

Zuni Fetish Doll (voice) (uncredited)

Bus Driver / Jail Orator / Small Fag / Prospector / Mexican Official / President / Man in Elevator (voice)

Larry Brice

John Muir (voice)

Deputy Cal Hartner

Squiddly Diddly / Yakky Doodle (voice)

Mr. Slugworth (uncredited)

Talking Baby Chimp (uncredited) (voice)

Engineer (uncredited)

Dr. Blinky / Ludicrous Lion / Seymore Spider / Various (voice)

Sheriff Hart

Lt. Moore (uncredited)

Mark