Callan in brainwashed into believing that Hunter is the leak in the Section and that he has also killed Lonely and framed Callan for murder. In his drugged state Callan kills Hunter and is shot down by Meres.
| Name | Type | Role | |
|---|---|---|---|
| Michael Winder | Writer | ||
| Derek Waring | Guest Star | ||
| Norman Wooland | Guest Star | ||
| John Flanagan | Guest Star | ||
| Barbara Leigh-Hunt | Guest Star | ||
| Terry Scully | Guest Star | ||
| Reginald Collin | Director |