- as Isolde Pavarotti
- as Bruno Skabowski
- as Helga Beimer
- as Erich Schiller
- as Hans Beimer
- as Andy Zenker
- as Iffi Zenker
- as Gabi Zenker
- as Hilde Scholz
- as Hajo Scholz
- as Hannelore Siekmann
- as Dr. Ludwig Dressler
- as Josefine „Josi“ Stadler
- as Prof. Dr. Rudolf Melchior
- as Sabrina Buchstab
- as Klavierspieler
- as Vasily Sarikakis
- as Andrea Neumann
- as Christian Brenner
- as Urszula Winicki
- as Lisa Dagdelen
- as Harry Rennep
- as Peter "Lotti" Lottmann
- as Sarah Ziegler
- as Sandra Löhmer
- as Gung
- as Marcella Varese
- as Carsten Flöter
- as Georg "Käthe" Eschweiler
- as Tanja Schildknecht
- as Ines Kling
- as Momo Sperling
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