The nurse Loni helps the young pediatrician Lennie Sommer to fight against the plans of the head of the clinic, who wants to close the children's ward. She also gets to know the charming pediatrician in private.
| Actor | Role |
|---|---|
 Roy BlackLeonhard Sommer | Leonhard Sommer |
 Helga AndersLoni Vogt | Loni Vogt |
 Georg ThomallaWaldemar Kosel | Waldemar Kosel |
 Peter WeckZackgiebel | Zackgiebel |
 Joachim HansenFrederick Janssen | Frederick Janssen |
 Corinna GenestHildegard | Hildegard |
 Gerhart LippertWalter Moll | Walter Moll |
 Käthe HaackAlma Carisius | Alma Carisius |
 Sissy LöwingerMichaela | Michaela |
 Christiane SchmidtmerMrs. Janssen | Mrs. Janssen |
 Gerhard AcktunHotte | Hotte |
| PPetra EsserMonika Kosel | Monika Kosel |
| WWilma LandkroonWilma | Wilma |
 Maria BrockerhoffMrs. Janssen's Friend | Mrs. Janssen's Friend |
| MMax MairichHeadmaster | Headmaster |
| WWilly SchultesGatekeeper | Gatekeeper |
 Karl SpiehsPoliceman | Policeman |