All Cast
Eddie Constantine
Professor
Katrin Schaake
Professor's Wife
Uschi Obermaier
Rainer Langhans
Scientist
Rainer Werner Fassbinder
Courier
Hannes Fuchs
Alien
Sigi Graue
Hannes Gromball
Peter Moland
Ulli Olvedi
Peter Gauhe
Ingrid Caven
(uncredited)
Ulli Lommel
(uncredited)
Barbara Constantine
(uncredited)