End of the 20th century. A group of scientists executes a project aiming to prevent a nuclear war with the planet Khalom. From their experimental project, involving manipulating events in the past, two mysterious human creatures travel between the present and the 19th century, and back - getting in love with four different persons.
| Actor | Role |
|---|---|
 Guida MariaBrunélia / Mariana | Brunélia / Mariana |
| SSinde FilipePresident Veiga Rebelo / Eduardo Veiga Rebelo | President Veiga Rebelo / Eduardo Veiga Rebelo |
 Suzana BorgesPaulina / Lúcia | Paulina / Lúcia |
 Manuel CoelhoJoão Carlos / José Manuel | João Carlos / José Manuel |
| SSilvina PereiraNot listed | Not listed |
 Carlos DanielNot listed | Not listed |
 Rui MendesNot listed | Not listed |
 Mário JacquesNot listed | Not listed |
| BBaptista FernandesNot listed | Not listed |
 Joaquim RosaNot listed | Not listed |
 André GomesMinister of the Kingdom | Minister of the Kingdom |
 José EduardoMaitre d'Hotel | Maitre d'Hotel |
| LLuís HortaNot listed | Not listed |
 Melim TeixeiraNot listed | Not listed |
| AAgostinho AlvesNot listed | Not listed |