| Name | Character | Episodes |
|---|---|---|
| David Hasselhoff | Self | 2 |
| Peter Maffay | Self | 2 |
| Michael Jackson | Self | 1 |
| Paul Anka | Self | 1 |
| Cliff Richard | Self | 1 |
| Uwe Ochsenknecht | Self | 1 |
| Udo Jürgens | Self | 1 |
| Udo Lindenberg | Self | 1 |
| Giorgio Moroder | Self | 1 |
| Bryan Ferry | Self | 1 |
| Desmond Dekker | Self | 1 |
| Curtis Stigers | Self | 1 |