Maria Preston, Iberia stewardess, lives with her friend and companion Elena O'Hara. She finds out that is followed by a mysterious character. He is Charly, an airport employee, U.S. Vietnam veteran, unhinged and with sexual disorders due to the infidelity of his wife.
| Actor | Role |
|---|---|
 Maria PerschyMaría Preston | María Preston |
 Sancho GraciaDoctor | Doctor |
| AAramis NeyCharly Reed | Charly Reed |
 Maritza OlivaresElena O'Hara (as May Oliver) | Elena O'Hara (as May Oliver) |
 Betsabé RuizNicole | Nicole |
 Víctor BarreraInspector | Inspector |
| MMaría Dolores Tovar(as Mª Dolores Tovar) | (as Mª Dolores Tovar) |
| EErnesto VañesNot listed | Not listed |
 Ramón LilloNot listed | Not listed |
| TTitania ClementNot listed | Not listed |