| Name | Character | Episodes |
|---|---|---|
| Cliff Richard | Self - Singer | 3 |
| Milva | Self - Singer | 2 |
| David Hasselhoff | Self - Singer | 2 |
| Chris De Burgh | Self - Singer | 2 |
| Patricia Kaas | Self - Singer | 2 |
| Tony Christie | Self - Singer | 2 |
| Elton John | Self - Singer | 1 |
| Billy Crystal | Self | 1 |
| Johanna von Koczian | Self | 1 |
| Mariah Carey | Self - Singer | 1 |
| Audrey Landers | Self - Singer | 1 |
| Senta Berger | Self | 1 |
| Harry Belafonte | Self - Singer | 1 |
| Thomas Anders | Self - Singer | 1 |
| Peter Maffay | Self - Singer | 1 |
| Kurt Felix | Self | 1 |
| Nicole | Self - Singer | 1 |
| Adriano Celentano | Self - Singer | 1 |
| Plácido Domingo | Self - Singer | 1 |
| Zsa Zsa Gabor | Self | 1 |
| Anita Kupsch | Self | 1 |
| Wolfgang Völz | Self | 1 |
| Fritz Wepper | Self | 1 |
| Al Martino | Self - Singer | 1 |
| René Kollo | Self - Singer | 1 |
| Udo Jürgens | Self - Singer | 1 |
| Barry Manilow | Self - Singer | 1 |
| Bonnie Tyler | Self - Singer | 1 |
| Nena | Self - Singer | 1 |
| Richard Clayderman | Self - Instrumentalist | 1 |
| Gloria Estefan | Self - Singer | 1 |
| Michael Hinz | Self | 1 |
| Helga Feddersen | Self | 1 |
| Elisabeth Volkmann | Self | 1 |
| Falco | Self - Singer | 1 |
| Dieter Thomas Heck | Self | 1 |
| Ernst H. Hilbich | Self | 1 |
| Mike Krüger | Self - Singer | 1 |
| Ofra Haza | Self - Singer | 1 |
| Michael Verhoeven | Self | 1 |
| Julia Migenes | Self - Singer | 1 |
| Dusty Springfield | Self - Singer | 1 |
| Peter Kraus | Self - Singer | 1 |
| Anneliese Rothenberger | Self | 1 |
| José Carreras | Self - Singer | 1 |
| Connie Francis | Self - Singer | 1 |
| Karl Dall | Self | 1 |