Young Jan looks after a stray cat, but encounters one or two challenges along the way, in this charming, elementary tale.
| Actor | Role |
|---|---|
| SSebastian ErbesJan Marstein | Jan Marstein |
| IIlkay YalcinSami Urban | Sami Urban |
| BBella MortlockMartha Paulsen | Martha Paulsen |
| BBenjamin KrammeJörg Marstein | Jörg Marstein |
 Theresa ScholzeDr. Klee | Dr. Klee |
 Boris AljinovicVeterinär | Veterinär |
| LLea GerstenkornAssistent | Assistent |
 Petra KalkutschkeTierpflegerin | Tierpflegerin |
| PPeter BrachschossKurt | Kurt |
| AAnna BahnersPaula | Paula |
 Natalia BobylevaMagdalena Sorokin | Magdalena Sorokin |
| PPatrick SchornPatrick | Patrick |
 Caroline EriksonArzthelferin | Arzthelferin |
| TTanja PrüllMargit | Margit |