Illya goes to U.N.C.L.E.'s secret island training academy, the Survival School, to help Jules Cutter (Richard Beymer) find a THRUSH infiltrator who has assassinated a trainee. Suspicion focuses on three trainees Melisa Hargrove (Susan Odin), John Saimes (Chris Robinson), and Harry Williams (Charles McGraw), and Illya must find out who is the real double agent.
| Name | Type | Role | |
|---|---|---|---|
| Don Brinkley | Writer | ||
| Jack Turley | Writer | ||
| Ray Girardin | Guest Star | ||
| Richard Beymer | Guest Star | ||
| John Bellah | Guest Star | ||
| Charles McGraw | Guest Star | ||
| Alex Lucas | Guest Star | ||
| Susan Odin | Guest Star | ||
| Roger Newman | Guest Star | ||
| Chris Robinson | Guest Star | ||
| Larry Anthony | Guest Star | ||
| Charles R. Rondeau | Director |