Eleven-year-old Christine, called “Schiene”, spends her vacation on her grandparents' farm and discovers Zirri, a bright white cloud sheep, in her grandfather's flock of sheep.
| Actor | Role |
|---|---|
| BBabett IkkerChristine/Schiene | Christine/Schiene |
| SSebastian SenftBobby | Bobby |
 Walfriede SchmittOma | Oma |
 Günter GrabbertOpa | Opa |
 Karin DüwelSchornsteinfeger | Schornsteinfeger |
 Dietmar Richter-ReinickViehdoktor | Viehdoktor |
 Gojko MitićKutscher | Kutscher |
 Günter JunghansFeuerwehrhauptmann | Feuerwehrhauptmann |
 Fred DelmareSchnappsfabrikant | Schnappsfabrikant |
| AAndrea SolterMutter | Mutter |
| BBernd-Uwe ReppenhagenVater | Vater |
| MMartin MüllerAtif | Atif |