A down on his luck engineer gets involved in an adventure with a mysterious woman and an emerald magnate.
| Actor | Role |
|---|---|
 Ryan O'NealJoseph Wiley | Joseph Wiley |
 Anne ArcherHolbrook | Holbrook |
 Omar SharifMeno Argenti | Meno Argenti |
 Domingo AmbrizMiguel | Miguel |
 John LarroquetteClaude | Claude |
 Philip StoneJochim Kellerman | Jochim Kellerman |
 Miguel Ángel FuentesHerado | Herado |
 Manuel OjedaLt. Costas | Lt. Costas |
 Michael SheardJaap | Jaap |
 Enrique LuceroLucho the Coffee Grower | Lucho the Coffee Grower |
| TTara FellnerKerry, Holbrook's Sister | Kerry, Holbrook's Sister |
 Sandra KernsWoman at Bar | Woman at Bar |
 Raúl MartínezGeneral Martinez | General Martinez |
 Enrique NoviGeneral Martinez | General Martinez |
| DDelroy WhitePrentis | Prentis |