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

2nd Electrician

Announcer

Fred Zinnemann

Citizen / Thug Guard (voice)

Trucker

(voice)

(voice)

Rev. Newton

Lt. Moore (uncredited)

Deputy Cal Hartner

TV Interviewer

Harry S. Truman

Warner

Sheriff Hart

Nelson Rockefeller (voice)

Dr. Stagg

Laura's Father

Inferno (voice)

John Muir (voice)

Radio Announcer (voice)

Police Chief Dennis Warren

Mark

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

Squiddly Diddly / Yakky Doodle (voice)

Larry Brice

Zuni Fetish Doll (voice) (uncredited)

Pa

Mr. Slugworth (uncredited)

Talking Baby Chimp (uncredited) (voice)

God (voice)

Dr. Claymor

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

Cop / Neighbor / Prosecutor (voice) (uncredited)

Mercury Theatre Player

Narrator

Engineer (uncredited)

Mark Twain (uncredited)

(voice)