Smiley now has the information he needs and starts to stir things up with the men of which Control suspected one to be the mole. He is able to eliminate two, himself and one other. The waiting begins, when suddenly the message arrives that Prideaux has disappeared.
| Name | Type | Role | |
|---|---|---|---|
| Arthur Hopcraft | Writer | ||
| Ian Bannen | Guest Star | ||
| Alec Sabin | Guest Star | ||
| John Wells | Guest Star | ||
| Guy Standeven | Guest Star | ||
| Betty Hardy | Guest Star | ||
| Duncan Jones | Guest Star | ||
| Daniel Beecher | Guest Star | ||
| Joss Ackland | Guest Star | ||
| Jo Apted | Guest Star | ||
| John Irvin | Director | ||
| John le Carré | Director |