Danny Thomas

as Interviewer / Narrator (voice)

Mel Blanc

as Chinese Magician / Astronaut / Carrot (voice)

Jim Backus

as Moon (voice)

Paul Frees

as Mr. Space / Astronaut (voice)

Marcia McBroom

as Pedestrian

June Foray

as Flowers (voice)

Charles Lane

as Interviewee

Alan Reed

as Interviewee