When secret "File 40" documents turn up outside headquarters, Waverly assigns Solo and Illya to find out if George Donnell is a double agent. Carla Drosten is too anxious to accuse Donnell and Solo must use special "Waverly rings" to try and expose the real double agent.
| Name | Type | Role | |
|---|---|---|---|
| Jerry McNeely | Writer | ||
| Elizabeth Allen | Guest Star | ||
| Justin Smith | Guest Star | ||
| Adair Jameson | Guest Star | ||
| Jim Boles | Guest Star | ||
| Larry Blyden | Guest Star | ||
| Lee Delano | Guest Star | ||
| Erik Holland | Guest Star | ||
| Al Hopson | Guest Star | ||
| Allen Jaffe | Guest Star | ||
| Alfred Shelly | Guest Star | ||
| Elizabeth Harrower | Guest Star | ||
| Bonnie Jones | Guest Star | ||
| John Brahm | Director |