The capture of a dolphin-like creature stirs up trouble in a small republic as the country's dictator plans to use the thing to attract tourists.
| Name | Type | Role | |
|---|---|---|---|
| Dean Riesner | Writer | ||
| Joseph Stefano | Producer | Producer | |
| Leon Chooluck | Producer | Associate Producer | |
| Stuart Lancaster | Guest Star | Skipper | |
| Noel De Souza | Guest Star | Capt. Fortunado | |
| Willard Sage | Guest Star | First Reporter | |
| Janet Blair | Guest Star | Lynn Arthur | |
| Edward Colmans | Guest Star | Servant | |
| Henry Darrow | Guest Star | Policeman | |
| Henry Silva | Guest Star | Gen. Juan Mercurio | |
| Martin Garralaga | Guest Star | Paco | |
| Jerry Douglas | Guest Star | Tom Evans | |
| Ralph Meeker | Guest Star | John Dexter | |
| Jon Silo | Guest Star | Oswaldo | |
| Jay Novello | Guest Star | Prof. Arivello | |
| Leslie Stevens | Executive Producer | Executive Producer | |
| Laslo Benedek | Director |