Watch The Phantom Planet
In a future of successful space flight, plans have been made for a mission to Mars from moon-based facilities. However, while test flights are being conducted, several spacecraft go missing, and rumors begin about aliens living on a hidden planet. Two astronauts are thrown into life-threatening activities as they continue their exploration. Strange forces seem intent on disrupting the mission and destroying the human cargo aboard.
- Coleen Gray, Dean Fredericks, Dolores Faith, Francis X. Bushman, Anthony Dexter
- American International Pictures (AIP)
- William Marshall