Oligophrenic Fany (Bohdalová) lives with her aunt who suddenly manages to travel abroad. Fany has to move to her sister (Jirásková). Two very different women, one mentally disabled and the second one intelligent doctor has to live together and learn from each other about tolerance, loneliness, life and why call dogs "Mister".
| Actor | Role |
|---|---|
 Jiřina BohdalováFany | Fany |
 Jiřina JiráskováDr. Venclovská | Dr. Venclovská |
 Miroslav Donutilkněz Homolka | kněz Homolka |
 Martin HubaDr. Malík | Dr. Malík |
 Arnošt Goldflampsychiatr | psychiatr |
 Oldřich VlachNot listed | Not listed |
 Jiřina TřebickáNot listed | Not listed |
 Antonie Hegerlikováteta | teta |
 Andrea ElsnerováEva | Eva |
| BBeata JirešováNot listed | Not listed |
| EEva JirouškováNot listed | Not listed |
 Milena ŠajdkováNot listed | Not listed |
 Zdeněk PalusgaNot listed | Not listed |
| OOlga SchmidtováNot listed | Not listed |
 Běla JurdováNot listed | Not listed |
 Jan KuželkaNot listed | Not listed |
 Petr ČtvrtníčekNot listed | Not listed |
 Jan HrabětaNot listed | Not listed |
 Stanislava JachnickáNot listed | Not listed |
| HHana StředováNot listed | Not listed |
 Hanuš Bor(uncredited) | (uncredited) |
 Ivo Novákpolicista | policista |
 Pavel SoukupTV Commenter (voice) (uncredited) | TV Commenter (voice) (uncredited) |
 Luděk MunzarDr. Malík (voice) (uncredited) | Dr. Malík (voice) (uncredited) |