| Name | Character | Episodes |
|---|---|---|
| Rex Gildo | Self | 10 |
| Heidi Brühl | Self | 9 |
| Udo Jürgens | Self | 8 |
| Bill Ramsey | Self | 7 |
| Thomas Fritsch | Self | 5 |
| Esther Ofarim | Self | 4 |
| Petula Clark | Self | 4 |
| René Kollo | Self | 3 |
| Cornelia Froboess | Self | 3 |
| Sandie Shaw | Self | 2 |
| Milva | Self | 2 |
| Elke Sommer | Self | 2 |
| Reiner Schöne | Self | 2 |
| Cliff Richard | Self | 2 |
| Daliah Lavi | Self | 2 |
| Dieter Thomas Heck | Self | 2 |
| Jean-Claude Pascal | Self | 2 |
| Paul Kuhn | Self | 2 |
| Bibi Johns | Self | 2 |
| Tony Christie | Self | 2 |
| Silvio Francesco | Self | 2 |
| Sacha Distel | Self | 2 |
| Horst Jankowski | Self | 1 |
| Pat Boone | Self | 1 |
| Curd Jürgens | Self | 1 |
| Diana Ross | Self | 1 |
| Nancy Sinatra | Self | 1 |
| Uschi Glas | Self | 1 |
| Eddie Constantine | Self | 1 |
| Hans Clarin | Self | 1 |
| Peter Maffay | Self | 1 |
| Helen Reddy | Self | 1 |
| Marius Müller-Westernhagen | Self | 1 |
| Charles Aznavour | Self | 1 |
| Ingrid van Bergen | Self | 1 |
| Hildegard Knef | Self | 1 |
| George Nader | Self | 1 |
| Udo Lindenberg | Self | 1 |
| Raffaella Carrà | Self | 1 |
| Heino | Self | 1 |
| Demis Roussos | Self | 1 |
| Rudi Carrell | Self | 1 |
| Peter Kraus | Self | 1 |
| Violetta Ferrari | Self | 1 |
| Peter Orloff | Self | 1 |
| Bruce Low | Self | 1 |
| Konstantin Wecker | Self | 1 |