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)