Preprosperin, a new revolutionary drug which deals with depression. However, there are dangerous side effects that the bleakly depressed, traveling salesman quickly discovers.
| Actor | Role |
|---|---|
 Jörg Vincent MalotkiArnold Himmel | Arnold Himmel |
 Hubertus GellerHerr Gerst | Herr Gerst |
| DDale DriverPolice officer | Police officer |
| CCharley DeakinHerr Gerst's assistant | Herr Gerst's assistant |