On an island off the South American coast, Mannix seeks out the rescuer of a client's son.
| Name | Type | Role | |
|---|---|---|---|
| Victor Canning | Writer | ||
| Alfred Hayes | Writer | ||
| Robert Loggia | Guest Star | ||
| Peter Elbling | Guest Star | ||
| George Skaff | Guest Star | ||
| Andrea Marcovicci | Guest Star | ||
| Erik Holland | Guest Star | ||
| Joaquin Garay | Guest Star | ||
| Alexander Scourby | Guest Star | ||
| Jay Novello | Guest Star | ||
| Dimitra Arliss | Guest Star | ||
| Titos Vandis | Guest Star | ||
| Richard Evans | Guest Star | ||
| Kenneth O'Brien | Guest Star | ||
| Tony Cacciotti | Guest Star | ||
| Michael O'Herlihy | Director |