After an asteroid draws an astronaut and his ship to its surface, he is miniaturized by the phantom planet's exotic atmosphere.
Dean Fredericks
Captain Frank Chapman
Coleen Gray
Liara
Anthony Dexter
Herron
Dolores Faith
Zetha
Francis X. Bushman
Sessom
Richard Weber
Lt. Ray Makonnen
Al Jarvis
Judge Eden
Dick Haynes
Col. Lansfield
