Engineer Frank Nor loses his sight in an unfortunate accident. When his superficial fiancée Eliška leaves him, Frank attempts suicide. To prevent him from repeating his attempt, his father hires a young nurse, Milena. The girl takes exemplary care of Frank, literally becoming "the apple of his eye"...
| Actor | Role |
|---|---|
 Jiří SteimarJan Nor | Jan Nor |
 Jiří DohnalIng. Frank Nor | Ing. Frank Nor |
 Zita KabátováMilena Lorencová-Hradilová | Milena Lorencová-Hradilová |
 Růžena ŠlemrováDavidová | Davidová |
 Nancy RubensováEliška Davidová | Eliška Davidová |
 Čeněk ŠléglBurda | Burda |
| MMary ŠlégrováHelena | Helena |
| LLída OndrováMicka | Micka |
 Václav TréglOndřej | Ondřej |
| AAnna PrchalováAnna | Anna |
| RRůžena BačákováNot listed | Not listed |
| FFrantišek V. KučeraDr. Hlavatý | Dr. Hlavatý |
 Jan ČernýNot listed | Not listed |
| FFrantišek MalýNot listed | Not listed |
| JJaroslav HladíkNot listed | Not listed |
| MMax BurtonNot listed | Not listed |
| VVáclav PataNot listed | Not listed |
| RRobert FordNot listed | Not listed |
| JJaroslav SadílekNot listed | Not listed |
 Jiří VondrovičNot listed | Not listed |
| FF. X. MlejnekNot listed | Not listed |
 Oldřich KovářOtakar Laban | Otakar Laban |
| KKarel ŠilhánekNot listed | Not listed |
| BBedřich KubalaNot listed | Not listed |
 R. A. DvorskýNot listed | Not listed |
| LLadislav VachulkaNot listed | Not listed |