Ken Clark as Captain John Anderson

Michi Kobi as Dr. Hideko Murata

Tom Conway as Dr. Feodor Orloff

Tony Dexter as Dr. Luis Vargas

John Wengraf as Dr. Erich Heinrich

Bob Montgomery Jr. as Roddy Murdock

Phillip Baird as Dr. William Rochester

Richard Weber as Dr. David Ruskin

Tema Bey as Dr. Selim Hamid

Roger Til as Dr. Etienne Martel

Cory Devlin as Dr. Asmara Markonen

Anna Lisa as Dr. Sigrid Bomark

Francis X. Bushman as Secretary General of the International Space Order


An international team is about to begin a voyage to the moon in a large and unique rocket ship. When they arrive, there are faceless aliens who believe the human race should be destroyed, due to their lack of intelligence and dangerous ways.