The agents travel to Hayes City they find a mysterious key with the body of their arch-nemesis, Dr. Loveless. While there, they meet up with Miguelito's next of kin, Dr. Liebknicht, a Swiss neurologist.
| Name | Type | Role | |
|---|---|---|---|
| Henry Sharp | Writer | ||
| Peter Hale | Guest Star | ||
| Deborah Lee | Guest Star | ||
| Michael Dunn | Guest Star | ||
| Marty Koppenhafer | Guest Star | ||
| Susan Oliver | Guest Star | ||
| Jonathan Hole | Guest Star | ||
| Anthony Caruso | Guest Star | ||
| Chubby Johnson | Guest Star | ||
| Robert Ellenstein | Guest Star | ||
| Lew Brown | Guest Star | ||
| Alan Crosland Jr. | Director |