| Name | Character | Episodes |
|---|---|---|
| Joey Kelly | Self | 2 |
| André Rieu | Self | 1 |
| Til Schweiger | Self | 1 |
| Wolfgang Petry | Self | 1 |
| Thomas Hermanns | Self | 1 |
| Phil Collins | Self | 1 |
| Meat Loaf | Self | 1 |
| Ingrid Steeger | Self | 1 |
| Mariah Carey | Self | 1 |
| Mick Hucknall | Self | 1 |
| Peter Maffay | Self | 1 |
| Kurt Felix | Self | 1 |
| Nicole | Self | 1 |
| Marius Müller-Westernhagen | Self | 1 |
| Hape Kerkeling | Self | 1 |
| Nena | Self | 1 |
| Max Raabe | Self | 1 |
| Joe Cocker | Self | 1 |
| Frank Elstner | Self | 1 |
| Dieter Bohlen | Self | 1 |
| Ottfried Fischer | Self | 1 |
| Jochen Busse | Self | 1 |
| Tom Gerhardt | Self | 1 |
| Johannes B. Kerner | Self | 1 |
| Ulrich Reinthaller | Self | 1 |
| Sissi Perlinger | Self | 1 |
| Bryan Ferry | Self | 1 |
| Udo Walz | Self | 1 |
| Barry White | Self | 1 |
| Rudi Carrell | Self | 1 |
| Natalie Choquette | Self | 1 |
| Andrea Bocelli | Self | 1 |