A team of astronauts is sent to the moon to rescue an alien who is seeking help to save her dying race. They are attacked by a force of bandit robots and discover that enemy spies are out to kill the alien.

Lang Jeffries
as Maj. Perry Rhodan

Essy Persson
as Thora

Luis Dávila
as Captain Mike Bull

Pinkas Braun
as Arkin

Stefano Sibaldi
as Dr. Frank Haggard

Daniel Martín
as Captain Flipper

Joachim Hansen
as Dr. Manoli

John Bartha
as General Roon

John Karlsen
as Crest

Ann Smyrner
as Dr. Sheridan
CinemaSerf
I was actually half expecting Lionel Jeffries to emerge in this truly daft, but oddly enjoyable, sci-fi yarn. His namesake Lang ("Maj. Rhodan") is tasked with leading a top secret mission to the moon. Upon arrival, his team must try to assist a visiting alien "Crest" (John Karlsen) who has leukaemia...