Interviewer / Narrator (voice)
Danny Thomas
Chinese Magician / Astronaut / Carrot (voice)
Mel Blanc
Priest
John Litel
Moon (voice)
Jim Backus
Mr. Space / Astronaut (voice)
Paul Frees
Pedestrian
Marcia McBroom
Flowers (voice)
June Foray
Interviewee
Charles Lane
Alan Reed
Cab Driver
Sid Melton
Doodles Weaver
Director
Frank Capra
Dialogue
Tedd Pierce
Ned Wendell
Music Editor
Eugene Marks
Art Direction
Raymond Beal
Assistant Director
Joel Freeman
Special Effects
Lee LeBlanc