The lives and loves of five Italian telephone operators. One is betrayed by her husband, one helps a student who wants to take his life, one changes her boyfriend every other day, one is a single mother and the last one tries to inflame a recent-widower accountant.
| Actor | Role |
|---|---|
 Antonella LualdiMaria Teresa | Maria Teresa |
 Giovanna RalliBruna | Bruna |
 Franca ValeriCarla | Carla |
 Marisa MerliniVera Colasanti | Vera Colasanti |
| GGiulia RubiniGabriella | Gabriella |
 Sergio RaimondiFernando | Fernando |
 Antonio CifarielloNot listed | Not listed |
 Roberto RissoNot listed | Not listed |
 Peppino De FilippoRevisore Delli Santi | Revisore Delli Santi |
 Aldo GiuffrèIl Marito Calosanti | Il Marito Calosanti |
 Tina PicaZia Vittoria | Zia Vittoria |
 Iolanda FortiniMadre di Bruna | Madre di Bruna |
 Nando BrunoNot listed | Not listed |
 Miranda CampaNot listed | Not listed |
| RRaffaele CaporilliNot listed | Not listed |
| MMichele FaccioneNot listed | Not listed |
 Enzo GarineiNot listed | Not listed |
| LLily GranadoNot listed | Not listed |
| AAttilio MartellaNot listed | Not listed |
 Turi PandolfiniNot listed | Not listed |
| MMarika SpadaNot listed | Not listed |
| AAntonio SpitaliNot listed | Not listed |
 Maria ZanoliNot listed | Not listed |