Everything happens in Dr. Tristán's office when he closes the door. The most attractive women are stripped naked to be examined by the expert in "orthology", in an area where extreme care is required.
| Actor | Role |
|---|---|
 TristánDr. Tristán | Dr. Tristán |
 Susana ToralesPatient | Patient |
 Marcela LabarcaTristán's fiancée | Tristán's fiancée |
 Marixa BalliPatient's friend | Patient's friend |
 Romina GayNot listed | Not listed |
 Cristina AgüeroNot listed | Not listed |
 Izabella GroumannPatient | Patient |
 Liliana BenardLili | Lili |
 Ana MarelliNot listed | Not listed |
| CCacho BustamanteNot listed | Not listed |
| JJulio FedelNot listed | Not listed |
| MMaria Fernanda CallejónPatient | Patient |