Trailer
 | Eddie Constantine as Professor |
 | Katrin Schaake as Professor's Wife |
 | Uschi Obermaier |
 | Rainer Langhans as Scientist |
 | Rainer Werner Fassbinder as Courier |
 | Hannes Fuchs as Alien |
| Sigi Graue |
| Hannes Gromball |
| Peter Moland |
| Ulli Olvedi |
 | Peter Gauhe |
 | Ingrid Caven as (uncredited) |
 | Ulli Lommel as (uncredited) |
| Barbara Constantine as (uncredited) |
| Tanya Constantine as (uncredited) |
| Directing | |
| Ulli Lommel | Director |
Writing | |
| Ulli Lommel | Writer |
| Peter Moland | Writer |
| Hannes Fuchs | Writer |
| Rainer Langhans | Writer |
| Herbert J. Bamberger | Writer |
Production | |
| Herbert J. Bamberger | Producer |
Editing | |
| Herbert J. Bamberger | Editor |
Camera | |
| Lothar E. Stickelbrucks | Director of Photography |
Sound | |
| Holger Münzer | Original Music Composer |
Directing | |
| Reinhard Jahn | Assistant Director |
Production | |
| Heinz Gobrecht | Unit Manager |
Camera | |
| Manuel Lommel | Assistant Camera |
Directing | |
| Tanya Constantine | Script Supervisor |
Art | |
| Rolf Zauner | Production Design |
Lighting | |
| Rolf Zauner | Gaffer |
Production | |
| Horst Dyckhoff | Production Assistant |
Art | |
| Jacky Lommix | Property Master |
Costume & Make-Up | |
| Jochen Haydrich | Costume Design |
Production | |
| H.J. Beaumarchais | Line Producer |
Directing | |
| Peter Moland | Co-Director |
