On Guard for Thee, Part 1: The Most Dangerous Spy
| Year | 1981 |
|---|---|
| Country | Canada |
| Director | Donald Brittain |
| Cinematography | Andreas PoulssonSusan Trow |
| Scriptwriters | Donald Brittain |
| Produced | Donald BrittainRoger HartJames Littleton |
| Editing | Roger Hart |
| Genres | DocumentaryHistory |
| Runtime | 57 min. |