| Anne Kulbatzki | Karla [RP] | |
| Viktor Nilsson | Kinderanimateur Caligari [RP] | |
| Benjamin Radjaipour | Caesare, der Somnambulist [RP] | |
| Alina Vimbai Strähler | Sirene Ariella [SR] | |
| Anton Weil | Schlagersänger Jacques [SR] | |
| Til Schindler | Zimmerstewart Brandon [SR] | |
| Felix Utting | Sirene Ferelle [SR] | |
| Tinka Fürst | Sirene Tuna [SR] | |
| Richard Manualpillai | Kapitän Frank Deutschmann [SR] | |
| Anna Von Auersperg | Sirene Agua [SR] | |
| Rob Kaufmann | Der Puppenspieler [SR] | |
| Michael Magarik | Hans [SR] | |
| Filipe Pirl | Sirene Fish [SR] | |
| Günter Schanzmann | Reiseleiter Prof. Samuel Kant [SR] | |
| Julia Zange | Grete [SR] | |
