Mission Stardust (1968) AKA Orbita Mortal vhs rip sci fi

Thora (Essy Persson) and Kress (John Karelsen) are superior beings from another planet who find themselves marooned on the moon. A U.S. space mission lead by Major Perry Rodan (Lang Jeffries) rescues the couple. Kress is suffering from an unknown ailment, and a medical examination reveals he has leukemia. The rescue team secretly brings the ailing alien to an African physician who specializes in blood disorders. Soon word gets around about the aliens, causing a full-scale search for the rescue team and the two space cadets.